123066640

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{11743}}^1$

素因数の和:11887

約数の個数: 40

約数和(自身を含む): 288338688

約数和(自身を除く): 165272048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 11743, 23486, 46972, 58715, 93944, 117430, 187888, 234860, 469720, 939440, 1538333, 3076666, 6153332, 7691665, 12306664, 15383330, 24613328, 30766660, 61533320, 123066640]

約数ペア:

[(1, 123066640), (2, 61533320), (4, 30766660), (5, 24613328), (8, 15383330), (10, 12306664), (16, 7691665), (20, 6153332), (40, 3076666), (80, 1538333), (131, 939440), (262, 469720), (524, 234860), (655, 187888), (1048, 117430), (1310, 93944), (2096, 58715), (2620, 46972), (5240, 23486), (10480, 11743)]