55410875

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 77878944

約数和(自身を除く): 22468069

約数列:

[1, 5, 13, 25, 43, 61, 65, 125, 169, 215, 305, 325, 559, 793, 845, 1075, 1525, 1625, 2623, 2795, 3965, 4225, 5375, 7267, 7625, 10309, 13115, 13975, 19825, 21125, 34099, 36335, 51545, 65575, 69875, 99125, 170495, 181675, 257725, 327875, 443287, 852475, 908375, 1288625, 2216435, 4262375, 11082175, 55410875]

約数ペア:

[(1, 55410875), (5, 11082175), (13, 4262375), (25, 2216435), (43, 1288625), (61, 908375), (65, 852475), (125, 443287), (169, 327875), (215, 257725), (305, 181675), (325, 170495), (559, 99125), (793, 69875), (845, 65575), (1075, 51545), (1525, 36335), (1625, 34099), (2623, 21125), (2795, 19825), (3965, 13975), (4225, 13115), (5375, 10309), (7267, 7625)]