39990100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17387}}^1$

素因数の和:17424

約数の個数: 36

約数和(自身を含む): 90556704

約数和(自身を除く): 50566604

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 17387, 34774, 69548, 86935, 173870, 347740, 399901, 434675, 799802, 869350, 1599604, 1738700, 1999505, 3999010, 7998020, 9997525, 19995050, 39990100]

約数ペア:

[(1, 39990100), (2, 19995050), (4, 9997525), (5, 7998020), (10, 3999010), (20, 1999505), (23, 1738700), (25, 1599604), (46, 869350), (50, 799802), (92, 434675), (100, 399901), (115, 347740), (230, 173870), (460, 86935), (575, 69548), (1150, 34774), (2300, 17387)]