2565250

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 4972032

約数和(自身を除く): 2406782

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 331, 662, 775, 1550, 1655, 3310, 3875, 7750, 8275, 10261, 16550, 20522, 41375, 51305, 82750, 102610, 256525, 513050, 1282625, 2565250]

約数ペア:

[(1, 2565250), (2, 1282625), (5, 513050), (10, 256525), (25, 102610), (31, 82750), (50, 51305), (62, 41375), (125, 20522), (155, 16550), (250, 10261), (310, 8275), (331, 7750), (662, 3875), (775, 3310), (1550, 1655)]