8490625

素因数分解:

$5^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:68

約数の個数: 48

約数和(自身を含む): 13124160

約数和(自身を除く): 4633535

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 125, 143, 209, 247, 275, 325, 475, 625, 715, 1045, 1235, 1375, 1625, 2375, 2717, 3125, 3575, 5225, 6175, 6875, 8125, 11875, 13585, 17875, 26125, 30875, 34375, 40625, 59375, 67925, 89375, 130625, 154375, 339625, 446875, 653125, 771875, 1698125, 8490625]

約数ペア:

[(1, 8490625), (5, 1698125), (11, 771875), (13, 653125), (19, 446875), (25, 339625), (55, 154375), (65, 130625), (95, 89375), (125, 67925), (143, 59375), (209, 40625), (247, 34375), (275, 30875), (325, 26125), (475, 17875), (625, 13585), (715, 11875), (1045, 8125), (1235, 6875), (1375, 6175), (1625, 5225), (2375, 3575), (2717, 3125)]