66438560

素因数分解:

$2^5\times 5^1\times {\mathrm{617}}^1\times {\mathrm{673}}^1$

素因数の和:1305

約数の個数: 48

約数和(自身を含む): 157449096

約数和(自身を除く): 91010536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 617, 673, 1234, 1346, 2468, 2692, 3085, 3365, 4936, 5384, 6170, 6730, 9872, 10768, 12340, 13460, 19744, 21536, 24680, 26920, 49360, 53840, 98720, 107680, 415241, 830482, 1660964, 2076205, 3321928, 4152410, 6643856, 8304820, 13287712, 16609640, 33219280, 66438560]

約数ペア:

[(1, 66438560), (2, 33219280), (4, 16609640), (5, 13287712), (8, 8304820), (10, 6643856), (16, 4152410), (20, 3321928), (32, 2076205), (40, 1660964), (80, 830482), (160, 415241), (617, 107680), (673, 98720), (1234, 53840), (1346, 49360), (2468, 26920), (2692, 24680), (3085, 21536), (3365, 19744), (4936, 13460), (5384, 12340), (6170, 10768), (6730, 9872)]