2013291080

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1\times {\mathrm{1039}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 4575916800

約数和(自身を除く): 2562625720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 251, 386, 502, 772, 965, 1004, 1039, 1255, 1544, 1930, 2008, 2078, 2510, 3860, 4156, 5020, 5195, 7720, 8312, 10040, 10390, 20780, 41560, 48443, 96886, 193772, 200527, 242215, 260789, 387544, 401054, 484430, 521578, 802108, 968860, 1002635, 1043156, 1303945, 1604216, 1937720, 2005270, 2086312, 2607890, 4010540, 5215780, 8021080, 10431560, 50332277, 100664554, 201329108, 251661385, 402658216, 503322770, 1006645540, 2013291080]

約数ペア:

[(1, 2013291080), (2, 1006645540), (4, 503322770), (5, 402658216), (8, 251661385), (10, 201329108), (20, 100664554), (40, 50332277), (193, 10431560), (251, 8021080), (386, 5215780), (502, 4010540), (772, 2607890), (965, 2086312), (1004, 2005270), (1039, 1937720), (1255, 1604216), (1544, 1303945), (1930, 1043156), (2008, 1002635), (2078, 968860), (2510, 802108), (3860, 521578), (4156, 484430), (5020, 401054), (5195, 387544), (7720, 260789), (8312, 242215), (10040, 200527), (10390, 193772), (20780, 96886), (41560, 48443)]