12747689440

素因数分解:

$2^5\times 5^1\times {\mathrm{10061}}^1\times {\mathrm{7919}}^1$

素因数の和:17995

約数の個数: 48

約数和(自身を含む): 30123213120

約数和(自身を除く): 17375523680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 7919, 10061, 15838, 20122, 31676, 39595, 40244, 50305, 63352, 79190, 80488, 100610, 126704, 158380, 160976, 201220, 253408, 316760, 321952, 402440, 633520, 804880, 1267040, 1609760, 79673059, 159346118, 318692236, 398365295, 637384472, 796730590, 1274768944, 1593461180, 2549537888, 3186922360, 6373844720, 12747689440]

約数ペア:

[(1, 12747689440), (2, 6373844720), (4, 3186922360), (5, 2549537888), (8, 1593461180), (10, 1274768944), (16, 796730590), (20, 637384472), (32, 398365295), (40, 318692236), (80, 159346118), (160, 79673059), (7919, 1609760), (10061, 1267040), (15838, 804880), (20122, 633520), (31676, 402440), (39595, 321952), (40244, 316760), (50305, 253408), (63352, 201220), (79190, 160976), (80488, 158380), (100610, 126704)]