5490040

素因数分解:

$2^3\times 5^1\times {\mathrm{137251}}^1$

素因数の和:137262

約数の個数: 16

約数和(自身を含む): 12352680

約数和(自身を除く): 6862640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137251, 274502, 549004, 686255, 1098008, 1372510, 2745020, 5490040]

約数ペア:

[(1, 5490040), (2, 2745020), (4, 1372510), (5, 1098008), (8, 686255), (10, 549004), (20, 274502), (40, 137251)]