145319960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{51169}}^1$

素因数の和:51251

約数の個数: 32

約数和(自身を含む): 331581600

約数和(自身を除く): 186261640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 51169, 102338, 204676, 255845, 409352, 511690, 1023380, 2046760, 3632999, 7265998, 14531996, 18164995, 29063992, 36329990, 72659980, 145319960]

約数ペア:

[(1, 145319960), (2, 72659980), (4, 36329990), (5, 29063992), (8, 18164995), (10, 14531996), (20, 7265998), (40, 3632999), (71, 2046760), (142, 1023380), (284, 511690), (355, 409352), (568, 255845), (710, 204676), (1420, 102338), (2840, 51169)]