22561480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{13757}}^1$

素因数の和:13809

約数の個数: 32

約数和(自身を含む): 52005240

約数和(自身を除く): 29443760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 13757, 27514, 55028, 68785, 110056, 137570, 275140, 550280, 564037, 1128074, 2256148, 2820185, 4512296, 5640370, 11280740, 22561480]

約数ペア:

[(1, 22561480), (2, 11280740), (4, 5640370), (5, 4512296), (8, 2820185), (10, 2256148), (20, 1128074), (40, 564037), (41, 550280), (82, 275140), (164, 137570), (205, 110056), (328, 68785), (410, 55028), (820, 27514), (1640, 13757)]