22455625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 40

約数和(自身を含む): 30990080

約数和(自身を除く): 8534455

約数列:

[1, 5, 19, 25, 31, 61, 95, 125, 155, 305, 475, 589, 625, 775, 1159, 1525, 1891, 2375, 2945, 3875, 5795, 7625, 9455, 11875, 14725, 19375, 28975, 35929, 38125, 47275, 73625, 144875, 179645, 236375, 368125, 724375, 898225, 1181875, 4491125, 22455625]

約数ペア:

[(1, 22455625), (5, 4491125), (19, 1181875), (25, 898225), (31, 724375), (61, 368125), (95, 236375), (125, 179645), (155, 144875), (305, 73625), (475, 47275), (589, 38125), (625, 35929), (775, 28975), (1159, 19375), (1525, 14725), (1891, 11875), (2375, 9455), (2945, 7625), (3875, 5795)]