40702970920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1\times {\mathrm{499}}^1$

素因数の和:983

約数の個数: 128

約数和(自身を含む): 94348800000

約数和(自身を除く): 53645829080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 83, 158, 166, 311, 316, 332, 395, 415, 499, 622, 632, 664, 790, 830, 998, 1244, 1555, 1580, 1660, 1996, 2488, 2495, 3110, 3160, 3320, 3992, 4990, 6220, 6557, 9980, 12440, 13114, 19960, 24569, 25813, 26228, 32785, 39421, 41417, 49138, 51626, 52456, 65570, 78842, 82834, 98276, 103252, 122845, 129065, 131140, 155189, 157684, 165668, 196552, 197105, 206504, 207085, 245690, 258130, 262280, 310378, 315368, 331336, 394210, 414170, 491380, 516260, 620756, 775945, 788420, 828340, 982760, 1032520, 1241512, 1551890, 1576840, 1656680, 2039227, 3103780, 3271943, 4078454, 6207560, 6543886, 8156908, 10196135, 12259931, 12880687, 13087772, 16313816, 16359715, 20392270, 24519862, 25761374, 26175544, 32719430, 40784540, 49039724, 51522748, 61299655, 64403435, 65438860, 81569080, 98079448, 103045496, 122599310, 128806870, 130877720, 245198620, 257613740, 490397240, 515227480, 1017574273, 2035148546, 4070297092, 5087871365, 8140594184, 10175742730, 20351485460, 40702970920]

約数ペア:

[(1, 40702970920), (2, 20351485460), (4, 10175742730), (5, 8140594184), (8, 5087871365), (10, 4070297092), (20, 2035148546), (40, 1017574273), (79, 515227480), (83, 490397240), (158, 257613740), (166, 245198620), (311, 130877720), (316, 128806870), (332, 122599310), (395, 103045496), (415, 98079448), (499, 81569080), (622, 65438860), (632, 64403435), (664, 61299655), (790, 51522748), (830, 49039724), (998, 40784540), (1244, 32719430), (1555, 26175544), (1580, 25761374), (1660, 24519862), (1996, 20392270), (2488, 16359715), (2495, 16313816), (3110, 13087772), (3160, 12880687), (3320, 12259931), (3992, 10196135), (4990, 8156908), (6220, 6543886), (6557, 6207560), (9980, 4078454), (12440, 3271943), (13114, 3103780), (19960, 2039227), (24569, 1656680), (25813, 1576840), (26228, 1551890), (32785, 1241512), (39421, 1032520), (41417, 982760), (49138, 828340), (51626, 788420), (52456, 775945), (65570, 620756), (78842, 516260), (82834, 491380), (98276, 414170), (103252, 394210), (122845, 331336), (129065, 315368), (131140, 310378), (155189, 262280), (157684, 258130), (165668, 245690), (196552, 207085), (197105, 206504)]