12969760

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{787}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 30977856

約数和(自身を除く): 18008096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 787, 824, 1030, 1574, 1648, 2060, 3148, 3296, 3935, 4120, 6296, 7870, 8240, 12592, 15740, 16480, 25184, 31480, 62960, 81061, 125920, 162122, 324244, 405305, 648488, 810610, 1296976, 1621220, 2593952, 3242440, 6484880, 12969760]

約数ペア:

[(1, 12969760), (2, 6484880), (4, 3242440), (5, 2593952), (8, 1621220), (10, 1296976), (16, 810610), (20, 648488), (32, 405305), (40, 324244), (80, 162122), (103, 125920), (160, 81061), (206, 62960), (412, 31480), (515, 25184), (787, 16480), (824, 15740), (1030, 12592), (1574, 8240), (1648, 7870), (2060, 6296), (3148, 4120), (3296, 3935)]