2016696520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1\times {\mathrm{2273}}^1$

素因数の和:2866

約数の個数: 64

約数和(自身を含む): 4658880240

約数和(自身を除く): 2642183720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 541, 820, 1082, 1640, 2164, 2273, 2705, 4328, 4546, 5410, 9092, 10820, 11365, 18184, 21640, 22181, 22730, 44362, 45460, 88724, 90920, 93193, 110905, 177448, 186386, 221810, 372772, 443620, 465965, 745544, 887240, 931930, 1229693, 1863860, 2459386, 3727720, 4918772, 6148465, 9837544, 12296930, 24593860, 49187720, 50417413, 100834826, 201669652, 252087065, 403339304, 504174130, 1008348260, 2016696520]

約数ペア:

[(1, 2016696520), (2, 1008348260), (4, 504174130), (5, 403339304), (8, 252087065), (10, 201669652), (20, 100834826), (40, 50417413), (41, 49187720), (82, 24593860), (164, 12296930), (205, 9837544), (328, 6148465), (410, 4918772), (541, 3727720), (820, 2459386), (1082, 1863860), (1640, 1229693), (2164, 931930), (2273, 887240), (2705, 745544), (4328, 465965), (4546, 443620), (5410, 372772), (9092, 221810), (10820, 186386), (11365, 177448), (18184, 110905), (21640, 93193), (22181, 90920), (22730, 88724), (44362, 45460)]