1628157040

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{146417}}^1$

素因数の和:146569

約数の個数: 40

約数和(自身を含む): 3812724720

約数和(自身を除く): 2184567680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 146417, 292834, 585668, 732085, 1171336, 1464170, 2342672, 2928340, 5856680, 11713360, 20351963, 40703926, 81407852, 101759815, 162815704, 203519630, 325631408, 407039260, 814078520, 1628157040]

約数ペア:

[(1, 1628157040), (2, 814078520), (4, 407039260), (5, 325631408), (8, 203519630), (10, 162815704), (16, 101759815), (20, 81407852), (40, 40703926), (80, 20351963), (139, 11713360), (278, 5856680), (556, 2928340), (695, 2342672), (1112, 1464170), (1390, 1171336), (2224, 732085), (2780, 585668), (5560, 292834), (11120, 146417)]