72568870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1613}}^1$

素因数の和:2040

約数の個数: 32

約数和(自身を含む): 142935840

約数和(自身を除く): 70366970

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 818, 1613, 2045, 3226, 4090, 4499, 8065, 8998, 16130, 17743, 22495, 35486, 44990, 88715, 177430, 659717, 1319434, 3298585, 6597170, 7256887, 14513774, 36284435, 72568870]

約数ペア:

[(1, 72568870), (2, 36284435), (5, 14513774), (10, 7256887), (11, 6597170), (22, 3298585), (55, 1319434), (110, 659717), (409, 177430), (818, 88715), (1613, 44990), (2045, 35486), (3226, 22495), (4090, 17743), (4499, 16130), (8065, 8998)]