31242320

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2621}}^1$

素因数の和:2783

約数の個数: 40

約数和(自身を含む): 73153800

約数和(自身を除く): 41911480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2621, 2980, 5242, 5960, 10484, 11920, 13105, 20968, 26210, 41936, 52420, 104840, 209680, 390529, 781058, 1562116, 1952645, 3124232, 3905290, 6248464, 7810580, 15621160, 31242320]

約数ペア:

[(1, 31242320), (2, 15621160), (4, 7810580), (5, 6248464), (8, 3905290), (10, 3124232), (16, 1952645), (20, 1562116), (40, 781058), (80, 390529), (149, 209680), (298, 104840), (596, 52420), (745, 41936), (1192, 26210), (1490, 20968), (2384, 13105), (2621, 11920), (2980, 10484), (5242, 5960)]