2793640

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 6334560

約数和(自身を除く): 3540920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 331, 422, 662, 844, 1055, 1324, 1655, 1688, 2110, 2648, 3310, 4220, 6620, 8440, 13240, 69841, 139682, 279364, 349205, 558728, 698410, 1396820, 2793640]

約数ペア:

[(1, 2793640), (2, 1396820), (4, 698410), (5, 558728), (8, 349205), (10, 279364), (20, 139682), (40, 69841), (211, 13240), (331, 8440), (422, 6620), (662, 4220), (844, 3310), (1055, 2648), (1324, 2110), (1655, 1688)]