56165180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 122739456

約数和(自身を除く): 66574276

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 157, 310, 314, 577, 620, 628, 785, 1154, 1570, 2308, 2885, 3140, 4867, 5770, 9734, 11540, 17887, 19468, 24335, 35774, 48670, 71548, 89435, 90589, 97340, 178870, 181178, 357740, 362356, 452945, 905890, 1811780, 2808259, 5616518, 11233036, 14041295, 28082590, 56165180]

約数ペア:

[(1, 56165180), (2, 28082590), (4, 14041295), (5, 11233036), (10, 5616518), (20, 2808259), (31, 1811780), (62, 905890), (124, 452945), (155, 362356), (157, 357740), (310, 181178), (314, 178870), (577, 97340), (620, 90589), (628, 89435), (785, 71548), (1154, 48670), (1570, 35774), (2308, 24335), (2885, 19468), (3140, 17887), (4867, 11540), (5770, 9734)]