12779375

素因数分解:

$5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:177

約数の個数: 40

約数和(自身を含む): 19193856

約数和(自身を除く): 6414481

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 127, 161, 175, 575, 625, 635, 805, 875, 889, 2875, 2921, 3175, 4025, 4375, 4445, 14375, 14605, 15875, 20125, 20447, 22225, 73025, 79375, 100625, 102235, 111125, 365125, 511175, 555625, 1825625, 2555875, 12779375]

約数ペア:

[(1, 12779375), (5, 2555875), (7, 1825625), (23, 555625), (25, 511175), (35, 365125), (115, 111125), (125, 102235), (127, 100625), (161, 79375), (175, 73025), (575, 22225), (625, 20447), (635, 20125), (805, 15875), (875, 14605), (889, 14375), (2875, 4445), (2921, 4375), (3175, 4025)]