51015640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 136080000

約数和(自身を除く): 85064360

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 29, 34, 40, 52, 58, 65, 68, 85, 104, 116, 130, 136, 145, 170, 199, 221, 232, 260, 290, 340, 377, 398, 442, 493, 520, 580, 680, 754, 796, 884, 986, 995, 1105, 1160, 1508, 1592, 1768, 1885, 1972, 1990, 2210, 2465, 2587, 3016, 3383, 3770, 3944, 3980, 4420, 4930, 5174, 5771, 6409, 6766, 7540, 7960, 8840, 9860, 10348, 11542, 12818, 12935, 13532, 15080, 16915, 19720, 20696, 23084, 25636, 25870, 27064, 28855, 32045, 33830, 43979, 46168, 51272, 51740, 57710, 64090, 67660, 75023, 87958, 98107, 103480, 115420, 128180, 135320, 150046, 175916, 196214, 219895, 230840, 256360, 300092, 351832, 375115, 392428, 439790, 490535, 600184, 750230, 784856, 879580, 981070, 1275391, 1500460, 1759160, 1962140, 2550782, 3000920, 3924280, 5101564, 6376955, 10203128, 12753910, 25507820, 51015640]

約数ペア:

[(1, 51015640), (2, 25507820), (4, 12753910), (5, 10203128), (8, 6376955), (10, 5101564), (13, 3924280), (17, 3000920), (20, 2550782), (26, 1962140), (29, 1759160), (34, 1500460), (40, 1275391), (52, 981070), (58, 879580), (65, 784856), (68, 750230), (85, 600184), (104, 490535), (116, 439790), (130, 392428), (136, 375115), (145, 351832), (170, 300092), (199, 256360), (221, 230840), (232, 219895), (260, 196214), (290, 175916), (340, 150046), (377, 135320), (398, 128180), (442, 115420), (493, 103480), (520, 98107), (580, 87958), (680, 75023), (754, 67660), (796, 64090), (884, 57710), (986, 51740), (995, 51272), (1105, 46168), (1160, 43979), (1508, 33830), (1592, 32045), (1768, 28855), (1885, 27064), (1972, 25870), (1990, 25636), (2210, 23084), (2465, 20696), (2587, 19720), (3016, 16915), (3383, 15080), (3770, 13532), (3944, 12935), (3980, 12818), (4420, 11542), (4930, 10348), (5174, 9860), (5771, 8840), (6409, 7960), (6766, 7540)]