79890040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{86837}}^1$

素因数の和:86871

約数の個数: 32

約数和(自身を含む): 187570080

約数和(自身を除く): 107680040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 86837, 173674, 347348, 434185, 694696, 868370, 1736740, 1997251, 3473480, 3994502, 7989004, 9986255, 15978008, 19972510, 39945020, 79890040]

約数ペア:

[(1, 79890040), (2, 39945020), (4, 19972510), (5, 15978008), (8, 9986255), (10, 7989004), (20, 3994502), (23, 3473480), (40, 1997251), (46, 1736740), (92, 868370), (115, 694696), (184, 434185), (230, 347348), (460, 173674), (920, 86837)]