28950640

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3583}}^1$

素因数の和:3697

約数の個数: 40

約数和(自身を含む): 67995648

約数和(自身を除く): 39045008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 3583, 4040, 7166, 8080, 14332, 17915, 28664, 35830, 57328, 71660, 143320, 286640, 361883, 723766, 1447532, 1809415, 2895064, 3618830, 5790128, 7237660, 14475320, 28950640]

約数ペア:

[(1, 28950640), (2, 14475320), (4, 7237660), (5, 5790128), (8, 3618830), (10, 2895064), (16, 1809415), (20, 1447532), (40, 723766), (80, 361883), (101, 286640), (202, 143320), (404, 71660), (505, 57328), (808, 35830), (1010, 28664), (1616, 17915), (2020, 14332), (3583, 8080), (4040, 7166)]