80662840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2039}}^1$

素因数の和:2116

約数の個数: 64

約数和(自身を含む): 193881600

約数和(自身を除く): 113218760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 2039, 3956, 4078, 4945, 7912, 8156, 9890, 10195, 16312, 19780, 20390, 39560, 40780, 46897, 81560, 87677, 93794, 175354, 187588, 234485, 350708, 375176, 438385, 468970, 701416, 876770, 937940, 1753540, 1875880, 2016571, 3507080, 4033142, 8066284, 10082855, 16132568, 20165710, 40331420, 80662840]

約数ペア:

[(1, 80662840), (2, 40331420), (4, 20165710), (5, 16132568), (8, 10082855), (10, 8066284), (20, 4033142), (23, 3507080), (40, 2016571), (43, 1875880), (46, 1753540), (86, 937940), (92, 876770), (115, 701416), (172, 468970), (184, 438385), (215, 375176), (230, 350708), (344, 234485), (430, 187588), (460, 175354), (860, 93794), (920, 87677), (989, 81560), (1720, 46897), (1978, 40780), (2039, 39560), (3956, 20390), (4078, 19780), (4945, 16312), (7912, 10195), (8156, 9890)]