8225240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3371}}^1$

素因数の和:3443

約数の個数: 32

約数和(自身を含む): 18815760

約数和(自身を除く): 10590520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3371, 6742, 13484, 16855, 26968, 33710, 67420, 134840, 205631, 411262, 822524, 1028155, 1645048, 2056310, 4112620, 8225240]

約数ペア:

[(1, 8225240), (2, 4112620), (4, 2056310), (5, 1645048), (8, 1028155), (10, 822524), (20, 411262), (40, 205631), (61, 134840), (122, 67420), (244, 33710), (305, 26968), (488, 16855), (610, 13484), (1220, 6742), (2440, 3371)]