80456792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2143}}^1$

素因数の和:2200

約数の個数: 48

約数和(自身を含む): 171541440

約数和(自身を除く): 91084648

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 494, 722, 988, 1444, 1976, 2143, 2888, 4286, 4693, 8572, 9386, 17144, 18772, 27859, 37544, 40717, 55718, 81434, 111436, 162868, 222872, 325736, 529321, 773623, 1058642, 1547246, 2117284, 3094492, 4234568, 6188984, 10057099, 20114198, 40228396, 80456792]

約数ペア:

[(1, 80456792), (2, 40228396), (4, 20114198), (8, 10057099), (13, 6188984), (19, 4234568), (26, 3094492), (38, 2117284), (52, 1547246), (76, 1058642), (104, 773623), (152, 529321), (247, 325736), (361, 222872), (494, 162868), (722, 111436), (988, 81434), (1444, 55718), (1976, 40717), (2143, 37544), (2888, 27859), (4286, 18772), (4693, 17144), (8572, 9386)]