28980620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{39163}}^1$

素因数の和:39209

約数の個数: 24

約数和(自身を含む): 62505744

約数和(自身を除く): 33525124

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 39163, 78326, 156652, 195815, 391630, 783260, 1449031, 2898062, 5796124, 7245155, 14490310, 28980620]

約数ペア:

[(1, 28980620), (2, 14490310), (4, 7245155), (5, 5796124), (10, 2898062), (20, 1449031), (37, 783260), (74, 391630), (148, 195815), (185, 156652), (370, 78326), (740, 39163)]