867920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:603

約数の個数: 40

約数和(自身を含む): 2127840

約数和(自身を除く): 1259920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 571, 760, 1142, 1520, 2284, 2855, 4568, 5710, 9136, 10849, 11420, 21698, 22840, 43396, 45680, 54245, 86792, 108490, 173584, 216980, 433960, 867920]

約数ペア:

[(1, 867920), (2, 433960), (4, 216980), (5, 173584), (8, 108490), (10, 86792), (16, 54245), (19, 45680), (20, 43396), (38, 22840), (40, 21698), (76, 11420), (80, 10849), (95, 9136), (152, 5710), (190, 4568), (304, 2855), (380, 2284), (571, 1520), (760, 1142)]