25879280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1306

約数の個数: 80

約数和(自身を含む): 70680000

約数和(自身を除く): 44800720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1249, 1295, 1480, 2072, 2498, 2590, 2960, 4144, 4996, 5180, 6245, 8743, 9992, 10360, 12490, 17486, 19984, 20720, 24980, 34972, 43715, 46213, 49960, 69944, 87430, 92426, 99920, 139888, 174860, 184852, 231065, 323491, 349720, 369704, 462130, 646982, 699440, 739408, 924260, 1293964, 1617455, 1848520, 2587928, 3234910, 3697040, 5175856, 6469820, 12939640, 25879280]

約数ペア:

[(1, 25879280), (2, 12939640), (4, 6469820), (5, 5175856), (7, 3697040), (8, 3234910), (10, 2587928), (14, 1848520), (16, 1617455), (20, 1293964), (28, 924260), (35, 739408), (37, 699440), (40, 646982), (56, 462130), (70, 369704), (74, 349720), (80, 323491), (112, 231065), (140, 184852), (148, 174860), (185, 139888), (259, 99920), (280, 92426), (296, 87430), (370, 69944), (518, 49960), (560, 46213), (592, 43715), (740, 34972), (1036, 24980), (1249, 20720), (1295, 19984), (1480, 17486), (2072, 12490), (2498, 10360), (2590, 9992), (2960, 8743), (4144, 6245), (4996, 5180)]