71479960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25169}}^1$

素因数の和:25251

約数の個数: 32

約数和(自身を含む): 163101600

約数和(自身を除く): 91621640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 25169, 50338, 100676, 125845, 201352, 251690, 503380, 1006760, 1786999, 3573998, 7147996, 8934995, 14295992, 17869990, 35739980, 71479960]

約数ペア:

[(1, 71479960), (2, 35739980), (4, 17869990), (5, 14295992), (8, 8934995), (10, 7147996), (20, 3573998), (40, 1786999), (71, 1006760), (142, 503380), (284, 251690), (355, 201352), (568, 125845), (710, 100676), (1420, 50338), (2840, 25169)]