38420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 86184

約数和(自身を除く): 47764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 340, 452, 565, 1130, 1921, 2260, 3842, 7684, 9605, 19210, 38420]

約数ペア:

[(1, 38420), (2, 19210), (4, 9605), (5, 7684), (10, 3842), (17, 2260), (20, 1921), (34, 1130), (68, 565), (85, 452), (113, 340), (170, 226)]