4138180840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{9311}}^1$

素因数の和:9634

約数の個数: 64

約数和(自身を含む): 9574225920

約数和(自身を除く): 5436045080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 271, 328, 410, 542, 820, 1084, 1355, 1640, 2168, 2710, 5420, 9311, 10840, 11111, 18622, 22222, 37244, 44444, 46555, 55555, 74488, 88888, 93110, 111110, 186220, 222220, 372440, 381751, 444440, 763502, 1527004, 1908755, 2523281, 3054008, 3817510, 5046562, 7635020, 10093124, 12616405, 15270040, 20186248, 25232810, 50465620, 100931240, 103454521, 206909042, 413818084, 517272605, 827636168, 1034545210, 2069090420, 4138180840]

約数ペア:

[(1, 4138180840), (2, 2069090420), (4, 1034545210), (5, 827636168), (8, 517272605), (10, 413818084), (20, 206909042), (40, 103454521), (41, 100931240), (82, 50465620), (164, 25232810), (205, 20186248), (271, 15270040), (328, 12616405), (410, 10093124), (542, 7635020), (820, 5046562), (1084, 3817510), (1355, 3054008), (1640, 2523281), (2168, 1908755), (2710, 1527004), (5420, 763502), (9311, 444440), (10840, 381751), (11111, 372440), (18622, 222220), (22222, 186220), (37244, 111110), (44444, 93110), (46555, 88888), (55555, 74488)]