16962640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4931}}^1$

素因数の和:4987

約数の個数: 40

約数和(自身を含む): 40363488

約数和(自身を除く): 23400848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4931, 9862, 19724, 24655, 39448, 49310, 78896, 98620, 197240, 212033, 394480, 424066, 848132, 1060165, 1696264, 2120330, 3392528, 4240660, 8481320, 16962640]

約数ペア:

[(1, 16962640), (2, 8481320), (4, 4240660), (5, 3392528), (8, 2120330), (10, 1696264), (16, 1060165), (20, 848132), (40, 424066), (43, 394480), (80, 212033), (86, 197240), (172, 98620), (215, 78896), (344, 49310), (430, 39448), (688, 24655), (860, 19724), (1720, 9862), (3440, 4931)]