2039409620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1\times {\mathrm{2131}}^1$

素因数の和:2688

約数の個数: 48

約数和(自身を含む): 4333929600

約数和(自身を除く): 2294519980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 439, 545, 878, 1090, 1756, 2131, 2180, 2195, 4262, 4390, 8524, 8780, 10655, 21310, 42620, 47851, 95702, 191404, 232279, 239255, 464558, 478510, 929116, 935509, 957020, 1161395, 1871018, 2322790, 3742036, 4645580, 4677545, 9355090, 18710180, 101970481, 203940962, 407881924, 509852405, 1019704810, 2039409620]

約数ペア:

[(1, 2039409620), (2, 1019704810), (4, 509852405), (5, 407881924), (10, 203940962), (20, 101970481), (109, 18710180), (218, 9355090), (436, 4677545), (439, 4645580), (545, 3742036), (878, 2322790), (1090, 1871018), (1756, 1161395), (2131, 957020), (2180, 935509), (2195, 929116), (4262, 478510), (4390, 464558), (8524, 239255), (8780, 232279), (10655, 191404), (21310, 95702), (42620, 47851)]