66974480

素因数分解:

$2^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1487}}^1$

素因数の和:2063

約数の個数: 40

約数和(自身を含む): 156097152

約数和(自身を除く): 89122672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 1487, 2252, 2815, 2974, 4504, 5630, 5948, 7435, 9008, 11260, 11896, 14870, 22520, 23792, 29740, 45040, 59480, 118960, 837181, 1674362, 3348724, 4185905, 6697448, 8371810, 13394896, 16743620, 33487240, 66974480]

約数ペア:

[(1, 66974480), (2, 33487240), (4, 16743620), (5, 13394896), (8, 8371810), (10, 6697448), (16, 4185905), (20, 3348724), (40, 1674362), (80, 837181), (563, 118960), (1126, 59480), (1487, 45040), (2252, 29740), (2815, 23792), (2974, 22520), (4504, 14870), (5630, 11896), (5948, 11260), (7435, 9008)]