2590508720

素因数分解:

$2^4\times 5^1\times {\mathrm{2039}}^1\times {\mathrm{15881}}^1$

素因数の和:17933

約数の個数: 40

約数和(自身を含む): 6026266080

約数和(自身を除く): 3435757360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2039, 4078, 8156, 10195, 15881, 16312, 20390, 31762, 32624, 40780, 63524, 79405, 81560, 127048, 158810, 163120, 254096, 317620, 635240, 1270480, 32381359, 64762718, 129525436, 161906795, 259050872, 323813590, 518101744, 647627180, 1295254360, 2590508720]

約数ペア:

[(1, 2590508720), (2, 1295254360), (4, 647627180), (5, 518101744), (8, 323813590), (10, 259050872), (16, 161906795), (20, 129525436), (40, 64762718), (80, 32381359), (2039, 1270480), (4078, 635240), (8156, 317620), (10195, 254096), (15881, 163120), (16312, 158810), (20390, 127048), (31762, 81560), (32624, 79405), (40780, 63524)]