55391375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 75479040

約数和(自身を除く): 20087665

約数列:

[1, 5, 13, 25, 65, 89, 125, 325, 383, 445, 1157, 1625, 1915, 2225, 4979, 5785, 9575, 11125, 24895, 28925, 34087, 47875, 124475, 144625, 170435, 443131, 622375, 852175, 2215655, 4260875, 11078275, 55391375]

約数ペア:

[(1, 55391375), (5, 11078275), (13, 4260875), (25, 2215655), (65, 852175), (89, 622375), (125, 443131), (325, 170435), (383, 144625), (445, 124475), (1157, 47875), (1625, 34087), (1915, 28925), (2225, 24895), (4979, 11125), (5785, 9575)]