22510640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6863}}^1$

素因数の和:6917

約数の個数: 40

約数和(自身を含む): 53621568

約数和(自身を除く): 31110928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 6863, 13726, 27452, 34315, 54904, 68630, 109808, 137260, 274520, 281383, 549040, 562766, 1125532, 1406915, 2251064, 2813830, 4502128, 5627660, 11255320, 22510640]

約数ペア:

[(1, 22510640), (2, 11255320), (4, 5627660), (5, 4502128), (8, 2813830), (10, 2251064), (16, 1406915), (20, 1125532), (40, 562766), (41, 549040), (80, 281383), (82, 274520), (164, 137260), (205, 109808), (328, 68630), (410, 54904), (656, 34315), (820, 27452), (1640, 13726), (3280, 6863)]