139819640

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{18301}}^1$

素因数の和:18503

約数の個数: 32

約数和(自身を含む): 316258560

約数和(自身を除く): 176438920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 18301, 36602, 73204, 91505, 146408, 183010, 366020, 732040, 3495491, 6990982, 13981964, 17477455, 27963928, 34954910, 69909820, 139819640]

約数ペア:

[(1, 139819640), (2, 69909820), (4, 34954910), (5, 27963928), (8, 17477455), (10, 13981964), (20, 6990982), (40, 3495491), (191, 732040), (382, 366020), (764, 183010), (955, 146408), (1528, 91505), (1910, 73204), (3820, 36602), (7640, 18301)]