12565720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1087}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 30061440

約数和(自身を除く): 17495720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1087, 1156, 1445, 2174, 2312, 2890, 4348, 5435, 5780, 8696, 10870, 11560, 18479, 21740, 36958, 43480, 73916, 92395, 147832, 184790, 314143, 369580, 628286, 739160, 1256572, 1570715, 2513144, 3141430, 6282860, 12565720]

約数ペア:

[(1, 12565720), (2, 6282860), (4, 3141430), (5, 2513144), (8, 1570715), (10, 1256572), (17, 739160), (20, 628286), (34, 369580), (40, 314143), (68, 184790), (85, 147832), (136, 92395), (170, 73916), (289, 43480), (340, 36958), (578, 21740), (680, 18479), (1087, 11560), (1156, 10870), (1445, 8696), (2174, 5780), (2312, 5435), (2890, 4348)]