4518440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 10834560

約数和(自身を除く): 6316120

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 71, 74, 86, 142, 148, 172, 185, 215, 284, 296, 344, 355, 370, 430, 568, 710, 740, 860, 1420, 1480, 1591, 1720, 2627, 2840, 3053, 3182, 5254, 6106, 6364, 7955, 10508, 12212, 12728, 13135, 15265, 15910, 21016, 24424, 26270, 30530, 31820, 52540, 61060, 63640, 105080, 112961, 122120, 225922, 451844, 564805, 903688, 1129610, 2259220, 4518440]

約数ペア:

[(1, 4518440), (2, 2259220), (4, 1129610), (5, 903688), (8, 564805), (10, 451844), (20, 225922), (37, 122120), (40, 112961), (43, 105080), (71, 63640), (74, 61060), (86, 52540), (142, 31820), (148, 30530), (172, 26270), (185, 24424), (215, 21016), (284, 15910), (296, 15265), (344, 13135), (355, 12728), (370, 12212), (430, 10508), (568, 7955), (710, 6364), (740, 6106), (860, 5254), (1420, 3182), (1480, 3053), (1591, 2840), (1720, 2627)]