2055625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:67

約数の個数: 40

約数和(自身を含む): 3148992

約数和(自身を除く): 1093367

約数列:

[1, 5, 11, 13, 23, 25, 55, 65, 115, 125, 143, 253, 275, 299, 325, 575, 625, 715, 1265, 1375, 1495, 1625, 2875, 3289, 3575, 6325, 6875, 7475, 8125, 14375, 16445, 17875, 31625, 37375, 82225, 89375, 158125, 186875, 411125, 2055625]

約数ペア:

[(1, 2055625), (5, 411125), (11, 186875), (13, 158125), (23, 89375), (25, 82225), (55, 37375), (65, 31625), (115, 17875), (125, 16445), (143, 14375), (253, 8125), (275, 7475), (299, 6875), (325, 6325), (575, 3575), (625, 3289), (715, 2875), (1265, 1625), (1375, 1495)]