1980875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 32

約数和(自身を含む): 2830464

約数和(自身を除く): 849589

約数列:

[1, 5, 13, 23, 25, 53, 65, 115, 125, 265, 299, 325, 575, 689, 1219, 1325, 1495, 1625, 2875, 3445, 6095, 6625, 7475, 15847, 17225, 30475, 37375, 79235, 86125, 152375, 396175, 1980875]

約数ペア:

[(1, 1980875), (5, 396175), (13, 152375), (23, 86125), (25, 79235), (53, 37375), (65, 30475), (115, 17225), (125, 15847), (265, 7475), (299, 6625), (325, 6095), (575, 3445), (689, 2875), (1219, 1625), (1325, 1495)]