28640450

素因数分解:

$2^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{2999}}^1$

素因数の和:3202

約数の個数: 24

約数和(自身を含む): 53568000

約数和(自身を除く): 24927550

約数列:

[1, 2, 5, 10, 25, 50, 191, 382, 955, 1910, 2999, 4775, 5998, 9550, 14995, 29990, 74975, 149950, 572809, 1145618, 2864045, 5728090, 14320225, 28640450]

約数ペア:

[(1, 28640450), (2, 14320225), (5, 5728090), (10, 2864045), (25, 1145618), (50, 572809), (191, 149950), (382, 74975), (955, 29990), (1910, 14995), (2999, 9550), (4775, 5998)]