86750320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 215263008

約数和(自身を除く): 128512688

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 227, 272, 281, 340, 454, 562, 680, 908, 1124, 1135, 1360, 1405, 1816, 2248, 2270, 2810, 3632, 3859, 4496, 4540, 4777, 5620, 7718, 9080, 9554, 11240, 15436, 18160, 19108, 19295, 22480, 23885, 30872, 38216, 38590, 47770, 61744, 63787, 76432, 77180, 95540, 127574, 154360, 191080, 255148, 308720, 318935, 382160, 510296, 637870, 1020592, 1084379, 1275740, 2168758, 2551480, 4337516, 5102960, 5421895, 8675032, 10843790, 17350064, 21687580, 43375160, 86750320]

約数ペア:

[(1, 86750320), (2, 43375160), (4, 21687580), (5, 17350064), (8, 10843790), (10, 8675032), (16, 5421895), (17, 5102960), (20, 4337516), (34, 2551480), (40, 2168758), (68, 1275740), (80, 1084379), (85, 1020592), (136, 637870), (170, 510296), (227, 382160), (272, 318935), (281, 308720), (340, 255148), (454, 191080), (562, 154360), (680, 127574), (908, 95540), (1124, 77180), (1135, 76432), (1360, 63787), (1405, 61744), (1816, 47770), (2248, 38590), (2270, 38216), (2810, 30872), (3632, 23885), (3859, 22480), (4496, 19295), (4540, 19108), (4777, 18160), (5620, 15436), (7718, 11240), (9080, 9554)]