12826250

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:384

約数の個数: 40

約数和(自身を含む): 24892032

約数和(自身を除く): 12065782

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 331, 625, 662, 775, 1250, 1550, 1655, 3310, 3875, 7750, 8275, 10261, 16550, 19375, 20522, 38750, 41375, 51305, 82750, 102610, 206875, 256525, 413750, 513050, 1282625, 2565250, 6413125, 12826250]

約数ペア:

[(1, 12826250), (2, 6413125), (5, 2565250), (10, 1282625), (25, 513050), (31, 413750), (50, 256525), (62, 206875), (125, 102610), (155, 82750), (250, 51305), (310, 41375), (331, 38750), (625, 20522), (662, 19375), (775, 16550), (1250, 10261), (1550, 8275), (1655, 7750), (3310, 3875)]