2016159275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1621}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 2787634080

約数和(自身を除く): 771474805

約数列:

[1, 5, 13, 25, 43, 65, 89, 215, 325, 445, 559, 1075, 1157, 1621, 2225, 2795, 3827, 5785, 8105, 13975, 19135, 21073, 28925, 40525, 49751, 69703, 95675, 105365, 144269, 248755, 348515, 526825, 721345, 906139, 1243775, 1742575, 1875497, 3606725, 4530695, 6203567, 9377485, 22653475, 31017835, 46887425, 80646371, 155089175, 403231855, 2016159275]

約数ペア:

[(1, 2016159275), (5, 403231855), (13, 155089175), (25, 80646371), (43, 46887425), (65, 31017835), (89, 22653475), (215, 9377485), (325, 6203567), (445, 4530695), (559, 3606725), (1075, 1875497), (1157, 1742575), (1621, 1243775), (2225, 906139), (2795, 721345), (3827, 526825), (5785, 348515), (8105, 248755), (13975, 144269), (19135, 105365), (21073, 95675), (28925, 69703), (40525, 49751)]