40660180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 93582720

約数和(自身を除く): 52922540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 421, 439, 842, 878, 1684, 1756, 2105, 2195, 4210, 4390, 4631, 4829, 8420, 8780, 9262, 9658, 18524, 19316, 23155, 24145, 46310, 48290, 92620, 96580, 184819, 369638, 739276, 924095, 1848190, 2033009, 3696380, 4066018, 8132036, 10165045, 20330090, 40660180]

約数ペア:

[(1, 40660180), (2, 20330090), (4, 10165045), (5, 8132036), (10, 4066018), (11, 3696380), (20, 2033009), (22, 1848190), (44, 924095), (55, 739276), (110, 369638), (220, 184819), (421, 96580), (439, 92620), (842, 48290), (878, 46310), (1684, 24145), (1756, 23155), (2105, 19316), (2195, 18524), (4210, 9658), (4390, 9262), (4631, 8780), (4829, 8420)]