25111390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 47187360

約数和(自身を除く): 22075970

約数列:

[1, 2, 5, 10, 29, 58, 131, 145, 262, 290, 655, 661, 1310, 1322, 3305, 3799, 6610, 7598, 18995, 19169, 37990, 38338, 86591, 95845, 173182, 191690, 432955, 865910, 2511139, 5022278, 12555695, 25111390]

約数ペア:

[(1, 25111390), (2, 12555695), (5, 5022278), (10, 2511139), (29, 865910), (58, 432955), (131, 191690), (145, 173182), (262, 95845), (290, 86591), (655, 38338), (661, 37990), (1310, 19169), (1322, 18995), (3305, 7598), (3799, 6610)]