66894920

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6217}}^1$

素因数の和:6497

約数の個数: 32

約数和(自身を含む): 151097400

約数和(自身を除く): 84202480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 6217, 10760, 12434, 24868, 31085, 49736, 62170, 124340, 248680, 1672373, 3344746, 6689492, 8361865, 13378984, 16723730, 33447460, 66894920]

約数ペア:

[(1, 66894920), (2, 33447460), (4, 16723730), (5, 13378984), (8, 8361865), (10, 6689492), (20, 3344746), (40, 1672373), (269, 248680), (538, 124340), (1076, 62170), (1345, 49736), (2152, 31085), (2690, 24868), (5380, 12434), (6217, 10760)]