2788045240

素因数分解:

$2^3\times 5^1\times {\mathrm{701}}^1\times {\mathrm{99431}}^1$

素因数の和:100143

約数の個数: 32

約数和(自身を含む): 6282113760

約数和(自身を除く): 3494068520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 701, 1402, 2804, 3505, 5608, 7010, 14020, 28040, 99431, 198862, 397724, 497155, 795448, 994310, 1988620, 3977240, 69701131, 139402262, 278804524, 348505655, 557609048, 697011310, 1394022620, 2788045240]

約数ペア:

[(1, 2788045240), (2, 1394022620), (4, 697011310), (5, 557609048), (8, 348505655), (10, 278804524), (20, 139402262), (40, 69701131), (701, 3977240), (1402, 1988620), (2804, 994310), (3505, 795448), (5608, 497155), (7010, 397724), (14020, 198862), (28040, 99431)]