90875720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{174761}}^1$

素因数の和:174785

約数の個数: 32

約数和(自身を含む): 220200120

約数和(自身を除く): 129324400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 174761, 349522, 699044, 873805, 1398088, 1747610, 2271893, 3495220, 4543786, 6990440, 9087572, 11359465, 18175144, 22718930, 45437860, 90875720]

約数ペア:

[(1, 90875720), (2, 45437860), (4, 22718930), (5, 18175144), (8, 11359465), (10, 9087572), (13, 6990440), (20, 4543786), (26, 3495220), (40, 2271893), (52, 1747610), (65, 1398088), (104, 873805), (130, 699044), (260, 349522), (520, 174761)]