22253680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16363}}^1$

素因数の和:16393

約数の個数: 40

約数和(自身を含む): 54786672

約数和(自身を除く): 32532992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 16363, 32726, 65452, 81815, 130904, 163630, 261808, 278171, 327260, 556342, 654520, 1112684, 1309040, 1390855, 2225368, 2781710, 4450736, 5563420, 11126840, 22253680]

約数ペア:

[(1, 22253680), (2, 11126840), (4, 5563420), (5, 4450736), (8, 2781710), (10, 2225368), (16, 1390855), (17, 1309040), (20, 1112684), (34, 654520), (40, 556342), (68, 327260), (80, 278171), (85, 261808), (136, 163630), (170, 130904), (272, 81815), (340, 65452), (680, 32726), (1360, 16363)]