66703760

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3739}}^1$

素因数の和:3975

約数の個数: 40

約数和(自身を含む): 155823360

約数和(自身を除く): 89119600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 3739, 4460, 7478, 8920, 14956, 17840, 18695, 29912, 37390, 59824, 74780, 149560, 299120, 833797, 1667594, 3335188, 4168985, 6670376, 8337970, 13340752, 16675940, 33351880, 66703760]

約数ペア:

[(1, 66703760), (2, 33351880), (4, 16675940), (5, 13340752), (8, 8337970), (10, 6670376), (16, 4168985), (20, 3335188), (40, 1667594), (80, 833797), (223, 299120), (446, 149560), (892, 74780), (1115, 59824), (1784, 37390), (2230, 29912), (3568, 18695), (3739, 17840), (4460, 14956), (7478, 8920)]