64499960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{230357}}^1$

素因数の和:230375

約数の個数: 32

約数和(自身を含む): 165857760

約数和(自身を除く): 101357800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 230357, 460714, 921428, 1151785, 1612499, 1842856, 2303570, 3224998, 4607140, 6449996, 8062495, 9214280, 12899992, 16124990, 32249980, 64499960]

約数ペア:

[(1, 64499960), (2, 32249980), (4, 16124990), (5, 12899992), (7, 9214280), (8, 8062495), (10, 6449996), (14, 4607140), (20, 3224998), (28, 2303570), (35, 1842856), (40, 1612499), (56, 1151785), (70, 921428), (140, 460714), (280, 230357)]