69147440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20101}}^1$

素因数の和:20157

約数の個数: 40

約数和(自身を含む): 164514768

約数和(自身を除く): 95367328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 20101, 40202, 80404, 100505, 160808, 201010, 321616, 402020, 804040, 864343, 1608080, 1728686, 3457372, 4321715, 6914744, 8643430, 13829488, 17286860, 34573720, 69147440]

約数ペア:

[(1, 69147440), (2, 34573720), (4, 17286860), (5, 13829488), (8, 8643430), (10, 6914744), (16, 4321715), (20, 3457372), (40, 1728686), (43, 1608080), (80, 864343), (86, 804040), (172, 402020), (215, 321616), (344, 201010), (430, 160808), (688, 100505), (860, 80404), (1720, 40202), (3440, 20101)]