879628760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{2087}}^1$

素因数の和:2396

約数の個数: 64

約数和(自身を含む): 2036301120

約数和(自身を除く): 1156672360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 257, 328, 410, 514, 820, 1028, 1285, 1640, 2056, 2087, 2570, 4174, 5140, 8348, 10280, 10435, 10537, 16696, 20870, 21074, 41740, 42148, 52685, 83480, 84296, 85567, 105370, 171134, 210740, 342268, 421480, 427835, 536359, 684536, 855670, 1072718, 1711340, 2145436, 2681795, 3422680, 4290872, 5363590, 10727180, 21454360, 21990719, 43981438, 87962876, 109953595, 175925752, 219907190, 439814380, 879628760]

約数ペア:

[(1, 879628760), (2, 439814380), (4, 219907190), (5, 175925752), (8, 109953595), (10, 87962876), (20, 43981438), (40, 21990719), (41, 21454360), (82, 10727180), (164, 5363590), (205, 4290872), (257, 3422680), (328, 2681795), (410, 2145436), (514, 1711340), (820, 1072718), (1028, 855670), (1285, 684536), (1640, 536359), (2056, 427835), (2087, 421480), (2570, 342268), (4174, 210740), (5140, 171134), (8348, 105370), (10280, 85567), (10435, 84296), (10537, 83480), (16696, 52685), (20870, 42148), (21074, 41740)]