87981325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2887}}^1$

素因数の和:2973

約数の個数: 24

約数和(自身を含む): 116028288

約数和(自身を除く): 28046963

約数列:

[1, 5, 23, 25, 53, 115, 265, 575, 1219, 1325, 2887, 6095, 14435, 30475, 66401, 72175, 153011, 332005, 765055, 1660025, 3519253, 3825275, 17596265, 87981325]

約数ペア:

[(1, 87981325), (5, 17596265), (23, 3825275), (25, 3519253), (53, 1660025), (115, 765055), (265, 332005), (575, 153011), (1219, 72175), (1325, 66401), (2887, 30475), (6095, 14435)]