16856440

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{683}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 38044080

約数和(自身を除く): 21187640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 683, 1234, 1366, 2468, 2732, 3085, 3415, 4936, 5464, 6170, 6830, 12340, 13660, 24680, 27320, 421411, 842822, 1685644, 2107055, 3371288, 4214110, 8428220, 16856440]

約数ペア:

[(1, 16856440), (2, 8428220), (4, 4214110), (5, 3371288), (8, 2107055), (10, 1685644), (20, 842822), (40, 421411), (617, 27320), (683, 24680), (1234, 13660), (1366, 12340), (2468, 6830), (2732, 6170), (3085, 5464), (3415, 4936)]