2828750

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:126

約数の個数: 40

約数和(自身を含む): 5548224

約数和(自身を除く): 2719474

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 73, 125, 146, 155, 250, 310, 365, 625, 730, 775, 1250, 1550, 1825, 2263, 3650, 3875, 4526, 7750, 9125, 11315, 18250, 19375, 22630, 38750, 45625, 56575, 91250, 113150, 282875, 565750, 1414375, 2828750]

約数ペア:

[(1, 2828750), (2, 1414375), (5, 565750), (10, 282875), (25, 113150), (31, 91250), (50, 56575), (62, 45625), (73, 38750), (125, 22630), (146, 19375), (155, 18250), (250, 11315), (310, 9125), (365, 7750), (625, 4526), (730, 3875), (775, 3650), (1250, 2263), (1550, 1825)]