42805360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 108743040

約数和(自身を除く): 65937680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 521, 632, 790, 1027, 1040, 1042, 1264, 1580, 2054, 2084, 2605, 3160, 4108, 4168, 5135, 5210, 6320, 6773, 8216, 8336, 10270, 10420, 13546, 16432, 20540, 20840, 27092, 33865, 41080, 41159, 41680, 54184, 67730, 82160, 82318, 108368, 135460, 164636, 205795, 270920, 329272, 411590, 535067, 541840, 658544, 823180, 1070134, 1646360, 2140268, 2675335, 3292720, 4280536, 5350670, 8561072, 10701340, 21402680, 42805360]

約数ペア:

[(1, 42805360), (2, 21402680), (4, 10701340), (5, 8561072), (8, 5350670), (10, 4280536), (13, 3292720), (16, 2675335), (20, 2140268), (26, 1646360), (40, 1070134), (52, 823180), (65, 658544), (79, 541840), (80, 535067), (104, 411590), (130, 329272), (158, 270920), (208, 205795), (260, 164636), (316, 135460), (395, 108368), (520, 82318), (521, 82160), (632, 67730), (790, 54184), (1027, 41680), (1040, 41159), (1042, 41080), (1264, 33865), (1580, 27092), (2054, 20840), (2084, 20540), (2605, 16432), (3160, 13546), (4108, 10420), (4168, 10270), (5135, 8336), (5210, 8216), (6320, 6773)]