1900981640

素因数分解:

$2^3\times 5^1\times {\mathrm{12841}}^1\times {\mathrm{3701}}^1$

素因数の和:16553

約数の個数: 32

約数和(自身を含む): 4278697560

約数和(自身を除く): 2377715920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3701, 7402, 12841, 14804, 18505, 25682, 29608, 37010, 51364, 64205, 74020, 102728, 128410, 148040, 256820, 513640, 47524541, 95049082, 190098164, 237622705, 380196328, 475245410, 950490820, 1900981640]

約数ペア:

[(1, 1900981640), (2, 950490820), (4, 475245410), (5, 380196328), (8, 237622705), (10, 190098164), (20, 95049082), (40, 47524541), (3701, 513640), (7402, 256820), (12841, 148040), (14804, 128410), (18505, 102728), (25682, 74020), (29608, 64205), (37010, 51364)]