22515560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{13729}}^1$

素因数の和:13781

約数の個数: 32

約数和(自身を含む): 51899400

約数和(自身を除く): 29383840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 13729, 27458, 54916, 68645, 109832, 137290, 274580, 549160, 562889, 1125778, 2251556, 2814445, 4503112, 5628890, 11257780, 22515560]

約数ペア:

[(1, 22515560), (2, 11257780), (4, 5628890), (5, 4503112), (8, 2814445), (10, 2251556), (20, 1125778), (40, 562889), (41, 549160), (82, 274580), (164, 137290), (205, 109832), (328, 68645), (410, 54916), (820, 27458), (1640, 13729)]