28791250

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:796

約数の個数: 40

約数和(自身を含む): 55782144

約数和(自身を除く): 26990894

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 625, 743, 775, 1250, 1486, 1550, 3715, 3875, 7430, 7750, 18575, 19375, 23033, 37150, 38750, 46066, 92875, 115165, 185750, 230330, 464375, 575825, 928750, 1151650, 2879125, 5758250, 14395625, 28791250]

約数ペア:

[(1, 28791250), (2, 14395625), (5, 5758250), (10, 2879125), (25, 1151650), (31, 928750), (50, 575825), (62, 464375), (125, 230330), (155, 185750), (250, 115165), (310, 92875), (625, 46066), (743, 38750), (775, 37150), (1250, 23033), (1486, 19375), (1550, 18575), (3715, 7750), (3875, 7430)]