45775280

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1399}}^1$

素因数の和:1821

約数の個数: 40

約数和(自身を含む): 106764000

約数和(自身を除く): 60988720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1399, 1636, 2045, 2798, 3272, 4090, 5596, 6544, 6995, 8180, 11192, 13990, 16360, 22384, 27980, 32720, 55960, 111920, 572191, 1144382, 2288764, 2860955, 4577528, 5721910, 9155056, 11443820, 22887640, 45775280]

約数ペア:

[(1, 45775280), (2, 22887640), (4, 11443820), (5, 9155056), (8, 5721910), (10, 4577528), (16, 2860955), (20, 2288764), (40, 1144382), (80, 572191), (409, 111920), (818, 55960), (1399, 32720), (1636, 27980), (2045, 22384), (2798, 16360), (3272, 13990), (4090, 11192), (5596, 8180), (6544, 6995)]