25178660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{857}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 57513456

約数和(自身を除く): 32334796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 857, 1130, 1469, 1714, 2260, 2938, 3428, 4285, 5876, 7345, 8570, 11141, 14690, 17140, 22282, 29380, 44564, 55705, 96841, 111410, 193682, 222820, 387364, 484205, 968410, 1258933, 1936820, 2517866, 5035732, 6294665, 12589330, 25178660]

約数ペア:

[(1, 25178660), (2, 12589330), (4, 6294665), (5, 5035732), (10, 2517866), (13, 1936820), (20, 1258933), (26, 968410), (52, 484205), (65, 387364), (113, 222820), (130, 193682), (226, 111410), (260, 96841), (452, 55705), (565, 44564), (857, 29380), (1130, 22282), (1469, 17140), (1714, 14690), (2260, 11141), (2938, 8570), (3428, 7345), (4285, 5876)]