2009485780

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1\times {\mathrm{2063}}^1$

素因数の和:2616

約数の個数: 48

約数和(自身を含む): 4269210624

約数和(自身を除く): 2259724844

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 431, 452, 565, 862, 1130, 1724, 2063, 2155, 2260, 4126, 4310, 8252, 8620, 10315, 20630, 41260, 48703, 97406, 194812, 233119, 243515, 466238, 487030, 889153, 932476, 974060, 1165595, 1778306, 2331190, 3556612, 4445765, 4662380, 8891530, 17783060, 100474289, 200948578, 401897156, 502371445, 1004742890, 2009485780]

約数ペア:

[(1, 2009485780), (2, 1004742890), (4, 502371445), (5, 401897156), (10, 200948578), (20, 100474289), (113, 17783060), (226, 8891530), (431, 4662380), (452, 4445765), (565, 3556612), (862, 2331190), (1130, 1778306), (1724, 1165595), (2063, 974060), (2155, 932476), (2260, 889153), (4126, 487030), (4310, 466238), (8252, 243515), (8620, 233119), (10315, 194812), (20630, 97406), (41260, 48703)]