31729125560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72111649}}^1$

素因数の和:72111671

約数の個数: 32

約数和(自身を含む): 77880582000

約数和(自身を除く): 46151456440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 72111649, 144223298, 288446596, 360558245, 576893192, 721116490, 793228139, 1442232980, 1586456278, 2884465960, 3172912556, 3966140695, 6345825112, 7932281390, 15864562780, 31729125560]

約数ペア:

[(1, 31729125560), (2, 15864562780), (4, 7932281390), (5, 6345825112), (8, 3966140695), (10, 3172912556), (11, 2884465960), (20, 1586456278), (22, 1442232980), (40, 793228139), (44, 721116490), (55, 576893192), (88, 360558245), (110, 288446596), (220, 144223298), (440, 72111649)]