39990460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{117619}}^1$

素因数の和:117645

約数の個数: 24

約数和(自身を含む): 88920720

約数和(自身を除く): 48930260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 117619, 235238, 470476, 588095, 1176190, 1999523, 2352380, 3999046, 7998092, 9997615, 19995230, 39990460]

約数ペア:

[(1, 39990460), (2, 19995230), (4, 9997615), (5, 7998092), (10, 3999046), (17, 2352380), (20, 1999523), (34, 1176190), (68, 588095), (85, 470476), (170, 235238), (340, 117619)]