8126320

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:817

約数の個数: 40

約数和(自身を含む): 19043424

約数和(自身を除く): 10917104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 647, 785, 1256, 1294, 1570, 2512, 2588, 3140, 3235, 5176, 6280, 6470, 10352, 12560, 12940, 25880, 51760, 101579, 203158, 406316, 507895, 812632, 1015790, 1625264, 2031580, 4063160, 8126320]

約数ペア:

[(1, 8126320), (2, 4063160), (4, 2031580), (5, 1625264), (8, 1015790), (10, 812632), (16, 507895), (20, 406316), (40, 203158), (80, 101579), (157, 51760), (314, 25880), (628, 12940), (647, 12560), (785, 10352), (1256, 6470), (1294, 6280), (1570, 5176), (2512, 3235), (2588, 3140)]