105886640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30781}}^1$

素因数の和:30837

約数の個数: 40

約数和(自身を含む): 251919888

約数和(自身を除く): 146033248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 30781, 61562, 123124, 153905, 246248, 307810, 492496, 615620, 1231240, 1323583, 2462480, 2647166, 5294332, 6617915, 10588664, 13235830, 21177328, 26471660, 52943320, 105886640]

約数ペア:

[(1, 105886640), (2, 52943320), (4, 26471660), (5, 21177328), (8, 13235830), (10, 10588664), (16, 6617915), (20, 5294332), (40, 2647166), (43, 2462480), (80, 1323583), (86, 1231240), (172, 615620), (215, 492496), (344, 307810), (430, 246248), (688, 153905), (860, 123124), (1720, 61562), (3440, 30781)]