42345680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2188

約数の個数: 80

約数和(自身を含む): 111659520

約数和(自身を除く): 69313840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2143, 2470, 3952, 4286, 4940, 8572, 9880, 10715, 17144, 19760, 21430, 27859, 34288, 40717, 42860, 55718, 81434, 85720, 111436, 139295, 162868, 171440, 203585, 222872, 278590, 325736, 407170, 445744, 529321, 557180, 651472, 814340, 1058642, 1114360, 1628680, 2117284, 2228720, 2646605, 3257360, 4234568, 5293210, 8469136, 10586420, 21172840, 42345680]

約数ペア:

[(1, 42345680), (2, 21172840), (4, 10586420), (5, 8469136), (8, 5293210), (10, 4234568), (13, 3257360), (16, 2646605), (19, 2228720), (20, 2117284), (26, 1628680), (38, 1114360), (40, 1058642), (52, 814340), (65, 651472), (76, 557180), (80, 529321), (95, 445744), (104, 407170), (130, 325736), (152, 278590), (190, 222872), (208, 203585), (247, 171440), (260, 162868), (304, 139295), (380, 111436), (494, 85720), (520, 81434), (760, 55718), (988, 42860), (1040, 40717), (1235, 34288), (1520, 27859), (1976, 21430), (2143, 19760), (2470, 17144), (3952, 10715), (4286, 9880), (4940, 8572)]