38746640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11813}}^1$

素因数の和:11867

約数の個数: 40

約数和(自身を含む): 92290968

約数和(自身を除く): 53544328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 11813, 23626, 47252, 59065, 94504, 118130, 189008, 236260, 472520, 484333, 945040, 968666, 1937332, 2421665, 3874664, 4843330, 7749328, 9686660, 19373320, 38746640]

約数ペア:

[(1, 38746640), (2, 19373320), (4, 9686660), (5, 7749328), (8, 4843330), (10, 3874664), (16, 2421665), (20, 1937332), (40, 968666), (41, 945040), (80, 484333), (82, 472520), (164, 236260), (205, 189008), (328, 118130), (410, 94504), (656, 59065), (820, 47252), (1640, 23626), (3280, 11813)]