15800180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6529}}^1$

素因数の和:6560

約数の個数: 36

約数和(自身を含む): 36476580

約数和(自身を除く): 20676400

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 6529, 13058, 26116, 32645, 65290, 71819, 130580, 143638, 287276, 359095, 718190, 790009, 1436380, 1580018, 3160036, 3950045, 7900090, 15800180]

約数ペア:

[(1, 15800180), (2, 7900090), (4, 3950045), (5, 3160036), (10, 1580018), (11, 1436380), (20, 790009), (22, 718190), (44, 359095), (55, 287276), (110, 143638), (121, 130580), (220, 71819), (242, 65290), (484, 32645), (605, 26116), (1210, 13058), (2420, 6529)]