16101920

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:813

約数の個数: 48

約数和(自身を含む): 38342808

約数和(自身を除く): 22240888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 641, 785, 1256, 1282, 1570, 2512, 2564, 3140, 3205, 5024, 5128, 6280, 6410, 10256, 12560, 12820, 20512, 25120, 25640, 51280, 100637, 102560, 201274, 402548, 503185, 805096, 1006370, 1610192, 2012740, 3220384, 4025480, 8050960, 16101920]

約数ペア:

[(1, 16101920), (2, 8050960), (4, 4025480), (5, 3220384), (8, 2012740), (10, 1610192), (16, 1006370), (20, 805096), (32, 503185), (40, 402548), (80, 201274), (157, 102560), (160, 100637), (314, 51280), (628, 25640), (641, 25120), (785, 20512), (1256, 12820), (1282, 12560), (1570, 10256), (2512, 6410), (2564, 6280), (3140, 5128), (3205, 5024)]