12939640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1304

約数の個数: 64

約数和(自身を含む): 34200000

約数和(自身を除く): 21260360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1249, 1295, 1480, 2072, 2498, 2590, 4996, 5180, 6245, 8743, 9992, 10360, 12490, 17486, 24980, 34972, 43715, 46213, 49960, 69944, 87430, 92426, 174860, 184852, 231065, 323491, 349720, 369704, 462130, 646982, 924260, 1293964, 1617455, 1848520, 2587928, 3234910, 6469820, 12939640]

約数ペア:

[(1, 12939640), (2, 6469820), (4, 3234910), (5, 2587928), (7, 1848520), (8, 1617455), (10, 1293964), (14, 924260), (20, 646982), (28, 462130), (35, 369704), (37, 349720), (40, 323491), (56, 231065), (70, 184852), (74, 174860), (140, 92426), (148, 87430), (185, 69944), (259, 49960), (280, 46213), (296, 43715), (370, 34972), (518, 24980), (740, 17486), (1036, 12490), (1249, 10360), (1295, 9992), (1480, 8743), (2072, 6245), (2498, 5180), (2590, 4996)]