259947560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{59621}}^1$

素因数の和:59741

約数の個数: 32

約数和(自身を含む): 590257800

約数和(自身を除く): 330310240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 59621, 119242, 238484, 298105, 476968, 596210, 1192420, 2384840, 6498689, 12997378, 25994756, 32493445, 51989512, 64986890, 129973780, 259947560]

約数ペア:

[(1, 259947560), (2, 129973780), (4, 64986890), (5, 51989512), (8, 32493445), (10, 25994756), (20, 12997378), (40, 6498689), (109, 2384840), (218, 1192420), (436, 596210), (545, 476968), (872, 298105), (1090, 238484), (2180, 119242), (4360, 59621)]