100081640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1962

約数の個数: 64

約数和(自身を含む): 237980160

約数和(自身を除く): 137898520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 1877, 2666, 3754, 5332, 6665, 7508, 9385, 10664, 13330, 15016, 18770, 26660, 37540, 53320, 58187, 75080, 80711, 116374, 161422, 232748, 290935, 322844, 403555, 465496, 581870, 645688, 807110, 1163740, 1614220, 2327480, 2502041, 3228440, 5004082, 10008164, 12510205, 20016328, 25020410, 50040820, 100081640]

約数ペア:

[(1, 100081640), (2, 50040820), (4, 25020410), (5, 20016328), (8, 12510205), (10, 10008164), (20, 5004082), (31, 3228440), (40, 2502041), (43, 2327480), (62, 1614220), (86, 1163740), (124, 807110), (155, 645688), (172, 581870), (215, 465496), (248, 403555), (310, 322844), (344, 290935), (430, 232748), (620, 161422), (860, 116374), (1240, 80711), (1333, 75080), (1720, 58187), (1877, 53320), (2666, 37540), (3754, 26660), (5332, 18770), (6665, 15016), (7508, 13330), (9385, 10664)]