11938120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1831}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 27040320

約数和(自身を除く): 15102200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 1831, 3260, 3662, 6520, 7324, 9155, 14648, 18310, 36620, 73240, 298453, 596906, 1193812, 1492265, 2387624, 2984530, 5969060, 11938120]

約数ペア:

[(1, 11938120), (2, 5969060), (4, 2984530), (5, 2387624), (8, 1492265), (10, 1193812), (20, 596906), (40, 298453), (163, 73240), (326, 36620), (652, 18310), (815, 14648), (1304, 9155), (1630, 7324), (1831, 6520), (3260, 3662)]