31795660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 75630240

約数和(自身を除く): 43834580

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 169, 230, 260, 299, 338, 409, 460, 598, 676, 818, 845, 1196, 1495, 1636, 1690, 2045, 2990, 3380, 3887, 4090, 5317, 5980, 7774, 8180, 9407, 10634, 15548, 18814, 19435, 21268, 26585, 37628, 38870, 47035, 53170, 69121, 77740, 94070, 106340, 122291, 138242, 188140, 244582, 276484, 345605, 489164, 611455, 691210, 1222910, 1382420, 1589783, 2445820, 3179566, 6359132, 7948915, 15897830, 31795660]

約数ペア:

[(1, 31795660), (2, 15897830), (4, 7948915), (5, 6359132), (10, 3179566), (13, 2445820), (20, 1589783), (23, 1382420), (26, 1222910), (46, 691210), (52, 611455), (65, 489164), (92, 345605), (115, 276484), (130, 244582), (169, 188140), (230, 138242), (260, 122291), (299, 106340), (338, 94070), (409, 77740), (460, 69121), (598, 53170), (676, 47035), (818, 38870), (845, 37628), (1196, 26585), (1495, 21268), (1636, 19435), (1690, 18814), (2045, 15548), (2990, 10634), (3380, 9407), (3887, 8180), (4090, 7774), (5317, 5980)]