23490580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 51665040

約数和(自身を除く): 28174460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 101, 116, 145, 202, 290, 401, 404, 505, 580, 802, 1010, 1604, 2005, 2020, 2929, 4010, 5858, 8020, 11629, 11716, 14645, 23258, 29290, 40501, 46516, 58145, 58580, 81002, 116290, 162004, 202505, 232580, 405010, 810020, 1174529, 2349058, 4698116, 5872645, 11745290, 23490580]

約数ペア:

[(1, 23490580), (2, 11745290), (4, 5872645), (5, 4698116), (10, 2349058), (20, 1174529), (29, 810020), (58, 405010), (101, 232580), (116, 202505), (145, 162004), (202, 116290), (290, 81002), (401, 58580), (404, 58145), (505, 46516), (580, 40501), (802, 29290), (1010, 23258), (1604, 14645), (2005, 11716), (2020, 11629), (2929, 8020), (4010, 5858)]