78566800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:581

約数の個数: 120

約数和(自身を含む): 210689640

約数和(自身を除く): 132122840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 40, 50, 52, 58, 65, 80, 100, 104, 116, 130, 145, 200, 208, 232, 260, 290, 325, 377, 400, 464, 520, 521, 580, 650, 725, 754, 1040, 1042, 1160, 1300, 1450, 1508, 1885, 2084, 2320, 2600, 2605, 2900, 3016, 3770, 4168, 5200, 5210, 5800, 6032, 6773, 7540, 8336, 9425, 10420, 11600, 13025, 13546, 15080, 15109, 18850, 20840, 26050, 27092, 30160, 30218, 33865, 37700, 41680, 52100, 54184, 60436, 67730, 75400, 75545, 104200, 108368, 120872, 135460, 150800, 151090, 169325, 196417, 208400, 241744, 270920, 302180, 338650, 377725, 392834, 541840, 604360, 677300, 755450, 785668, 982085, 1208720, 1354600, 1510900, 1571336, 1964170, 2709200, 3021800, 3142672, 3928340, 4910425, 6043600, 7856680, 9820850, 15713360, 19641700, 39283400, 78566800]

約数ペア:

[(1, 78566800), (2, 39283400), (4, 19641700), (5, 15713360), (8, 9820850), (10, 7856680), (13, 6043600), (16, 4910425), (20, 3928340), (25, 3142672), (26, 3021800), (29, 2709200), (40, 1964170), (50, 1571336), (52, 1510900), (58, 1354600), (65, 1208720), (80, 982085), (100, 785668), (104, 755450), (116, 677300), (130, 604360), (145, 541840), (200, 392834), (208, 377725), (232, 338650), (260, 302180), (290, 270920), (325, 241744), (377, 208400), (400, 196417), (464, 169325), (520, 151090), (521, 150800), (580, 135460), (650, 120872), (725, 108368), (754, 104200), (1040, 75545), (1042, 75400), (1160, 67730), (1300, 60436), (1450, 54184), (1508, 52100), (1885, 41680), (2084, 37700), (2320, 33865), (2600, 30218), (2605, 30160), (2900, 27092), (3016, 26050), (3770, 20840), (4168, 18850), (5200, 15109), (5210, 15080), (5800, 13546), (6032, 13025), (6773, 11600), (7540, 10420), (8336, 9425)]