18726080

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:577

約数の個数: 56

約数和(自身を含む): 45018960

約数和(自身を除く): 26292880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 421, 556, 695, 842, 1112, 1390, 1684, 2105, 2224, 2780, 3368, 4210, 4448, 5560, 6736, 8420, 8896, 11120, 13472, 16840, 22240, 26944, 33680, 44480, 58519, 67360, 117038, 134720, 234076, 292595, 468152, 585190, 936304, 1170380, 1872608, 2340760, 3745216, 4681520, 9363040, 18726080]

約数ペア:

[(1, 18726080), (2, 9363040), (4, 4681520), (5, 3745216), (8, 2340760), (10, 1872608), (16, 1170380), (20, 936304), (32, 585190), (40, 468152), (64, 292595), (80, 234076), (139, 134720), (160, 117038), (278, 67360), (320, 58519), (421, 44480), (556, 33680), (695, 26944), (842, 22240), (1112, 16840), (1390, 13472), (1684, 11120), (2105, 8896), (2224, 8420), (2780, 6736), (3368, 5560), (4210, 4448)]