40287670

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{138923}}^1$

素因数の和:138959

約数の個数: 16

約数和(自身を含む): 75018960

約数和(自身を除く): 34731290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 138923, 277846, 694615, 1389230, 4028767, 8057534, 20143835, 40287670]

約数ペア:

[(1, 40287670), (2, 20143835), (5, 8057534), (10, 4028767), (29, 1389230), (58, 694615), (145, 277846), (290, 138923)]