30970640

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3833}}^1$

素因数の和:3947

約数の個数: 40

約数和(自身を含む): 72738648

約数和(自身を除く): 41768008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 3833, 4040, 7666, 8080, 15332, 19165, 30664, 38330, 61328, 76660, 153320, 306640, 387133, 774266, 1548532, 1935665, 3097064, 3871330, 6194128, 7742660, 15485320, 30970640]

約数ペア:

[(1, 30970640), (2, 15485320), (4, 7742660), (5, 6194128), (8, 3871330), (10, 3097064), (16, 1935665), (20, 1548532), (40, 774266), (80, 387133), (101, 306640), (202, 153320), (404, 76660), (505, 61328), (808, 38330), (1010, 30664), (1616, 19165), (2020, 15332), (3833, 8080), (4040, 7666)]