4513925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 48

約数和(自身を含む): 6874560

約数和(自身を除く): 2360635

約数列:

[1, 5, 13, 17, 19, 25, 43, 65, 85, 95, 215, 221, 247, 323, 325, 425, 475, 559, 731, 817, 1075, 1105, 1235, 1615, 2795, 3655, 4085, 4199, 5525, 6175, 8075, 9503, 10621, 13889, 13975, 18275, 20425, 20995, 47515, 53105, 69445, 104975, 180557, 237575, 265525, 347225, 902785, 4513925]

約数ペア:

[(1, 4513925), (5, 902785), (13, 347225), (17, 265525), (19, 237575), (25, 180557), (43, 104975), (65, 69445), (85, 53105), (95, 47515), (215, 20995), (221, 20425), (247, 18275), (323, 13975), (325, 13889), (425, 10621), (475, 9503), (559, 8075), (731, 6175), (817, 5525), (1075, 4199), (1105, 4085), (1235, 3655), (1615, 2795)]