6401420

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1217}}^1$

素因数の和:1489

約数の個数: 24

約数和(自身を含む): 13505184

約数和(自身を除く): 7103764

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1217, 1315, 2434, 2630, 4868, 5260, 6085, 12170, 24340, 320071, 640142, 1280284, 1600355, 3200710, 6401420]

約数ペア:

[(1, 6401420), (2, 3200710), (4, 1600355), (5, 1280284), (10, 640142), (20, 320071), (263, 24340), (526, 12170), (1052, 6085), (1217, 5260), (1315, 4868), (2434, 2630)]