17967498020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{39887}}^1$

素因数の和:40220

約数の個数: 48

約数和(自身を含む): 38277163008

約数和(自身を除く): 20309664988

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 223, 404, 446, 505, 892, 1010, 1115, 2020, 2230, 4460, 22523, 39887, 45046, 79774, 90092, 112615, 159548, 199435, 225230, 398870, 450460, 797740, 4028587, 8057174, 8894801, 16114348, 17789602, 20142935, 35579204, 40285870, 44474005, 80571740, 88948010, 177896020, 898374901, 1796749802, 3593499604, 4491874505, 8983749010, 17967498020]

約数ペア:

[(1, 17967498020), (2, 8983749010), (4, 4491874505), (5, 3593499604), (10, 1796749802), (20, 898374901), (101, 177896020), (202, 88948010), (223, 80571740), (404, 44474005), (446, 40285870), (505, 35579204), (892, 20142935), (1010, 17789602), (1115, 16114348), (2020, 8894801), (2230, 8057174), (4460, 4028587), (22523, 797740), (39887, 450460), (45046, 398870), (79774, 225230), (90092, 199435), (112615, 159548)]