8990125

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 32

約数和(自身を含む): 12130560

約数和(自身を除く): 3140435

約数列:

[1, 5, 23, 25, 53, 59, 115, 125, 265, 295, 575, 1219, 1325, 1357, 1475, 2875, 3127, 6095, 6625, 6785, 7375, 15635, 30475, 33925, 71921, 78175, 152375, 169625, 359605, 390875, 1798025, 8990125]

約数ペア:

[(1, 8990125), (5, 1798025), (23, 390875), (25, 359605), (53, 169625), (59, 152375), (115, 78175), (125, 71921), (265, 33925), (295, 30475), (575, 15635), (1219, 7375), (1325, 6785), (1357, 6625), (1475, 6095), (2875, 3127)]