4681520

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:573

約数の個数: 40

約数和(自身を含む): 10988880

約数和(自身を除く): 6307360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 421, 556, 695, 842, 1112, 1390, 1684, 2105, 2224, 2780, 3368, 4210, 5560, 6736, 8420, 11120, 16840, 33680, 58519, 117038, 234076, 292595, 468152, 585190, 936304, 1170380, 2340760, 4681520]

約数ペア:

[(1, 4681520), (2, 2340760), (4, 1170380), (5, 936304), (8, 585190), (10, 468152), (16, 292595), (20, 234076), (40, 117038), (80, 58519), (139, 33680), (278, 16840), (421, 11120), (556, 8420), (695, 6736), (842, 5560), (1112, 4210), (1390, 3368), (1684, 2780), (2105, 2224)]