86707640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{114089}}^1$

素因数の和:114119

約数の個数: 32

約数和(自身を含む): 205362000

約数和(自身を除く): 118654360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 114089, 228178, 456356, 570445, 912712, 1140890, 2167691, 2281780, 4335382, 4563560, 8670764, 10838455, 17341528, 21676910, 43353820, 86707640]

約数ペア:

[(1, 86707640), (2, 43353820), (4, 21676910), (5, 17341528), (8, 10838455), (10, 8670764), (19, 4563560), (20, 4335382), (38, 2281780), (40, 2167691), (76, 1140890), (95, 912712), (152, 570445), (190, 456356), (380, 228178), (760, 114089)]