40870760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{145967}}^1$

素因数の和:145985

約数の個数: 32

約数和(自身を含む): 105096960

約数和(自身を除く): 64226200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 145967, 291934, 583868, 729835, 1021769, 1167736, 1459670, 2043538, 2919340, 4087076, 5108845, 5838680, 8174152, 10217690, 20435380, 40870760]

約数ペア:

[(1, 40870760), (2, 20435380), (4, 10217690), (5, 8174152), (7, 5838680), (8, 5108845), (10, 4087076), (14, 2919340), (20, 2043538), (28, 1459670), (35, 1167736), (40, 1021769), (56, 729835), (70, 583868), (140, 291934), (280, 145967)]