370640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:167

約数の個数: 40

約数和(自身を含む): 890568

約数和(自身を除く): 519928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 113, 164, 205, 226, 328, 410, 452, 565, 656, 820, 904, 1130, 1640, 1808, 2260, 3280, 4520, 4633, 9040, 9266, 18532, 23165, 37064, 46330, 74128, 92660, 185320, 370640]

約数ペア:

[(1, 370640), (2, 185320), (4, 92660), (5, 74128), (8, 46330), (10, 37064), (16, 23165), (20, 18532), (40, 9266), (41, 9040), (80, 4633), (82, 4520), (113, 3280), (164, 2260), (205, 1808), (226, 1640), (328, 1130), (410, 904), (452, 820), (565, 656)]