12175625

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 60

約数和(自身を含む): 19943616

約数和(自身を除く): 7767991

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 121, 125, 161, 175, 253, 275, 385, 575, 605, 625, 805, 847, 875, 1265, 1375, 1771, 1925, 2783, 2875, 3025, 4025, 4235, 4375, 6325, 6875, 8855, 9625, 13915, 14375, 15125, 19481, 20125, 21175, 31625, 44275, 48125, 69575, 75625, 97405, 100625, 105875, 158125, 221375, 347875, 487025, 529375, 1106875, 1739375, 2435125, 12175625]

約数ペア:

[(1, 12175625), (5, 2435125), (7, 1739375), (11, 1106875), (23, 529375), (25, 487025), (35, 347875), (55, 221375), (77, 158125), (115, 105875), (121, 100625), (125, 97405), (161, 75625), (175, 69575), (253, 48125), (275, 44275), (385, 31625), (575, 21175), (605, 20125), (625, 19481), (805, 15125), (847, 14375), (875, 13915), (1265, 9625), (1375, 8855), (1771, 6875), (1925, 6325), (2783, 4375), (2875, 4235), (3025, 4025)]