38541620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{547}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 87644928

約数和(自身を除く): 49103308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 542, 547, 1084, 1094, 1355, 2188, 2710, 2735, 3523, 5420, 5470, 7046, 7111, 10940, 14092, 14222, 17615, 28444, 35230, 35555, 70460, 71110, 142220, 148237, 296474, 592948, 741185, 1482370, 1927081, 2964740, 3854162, 7708324, 9635405, 19270810, 38541620]

約数ペア:

[(1, 38541620), (2, 19270810), (4, 9635405), (5, 7708324), (10, 3854162), (13, 2964740), (20, 1927081), (26, 1482370), (52, 741185), (65, 592948), (130, 296474), (260, 148237), (271, 142220), (542, 71110), (547, 70460), (1084, 35555), (1094, 35230), (1355, 28444), (2188, 17615), (2710, 14222), (2735, 14092), (3523, 10940), (5420, 7111), (5470, 7046)]