15414640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4481}}^1$

素因数の和:4537

約数の個数: 40

約数和(自身を含む): 36680688

約数和(自身を除く): 21266048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4481, 8962, 17924, 22405, 35848, 44810, 71696, 89620, 179240, 192683, 358480, 385366, 770732, 963415, 1541464, 1926830, 3082928, 3853660, 7707320, 15414640]

約数ペア:

[(1, 15414640), (2, 7707320), (4, 3853660), (5, 3082928), (8, 1926830), (10, 1541464), (16, 963415), (20, 770732), (40, 385366), (43, 358480), (80, 192683), (86, 179240), (172, 89620), (215, 71696), (344, 44810), (430, 35848), (688, 22405), (860, 17924), (1720, 8962), (3440, 4481)]