13648840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17959}}^1$

素因数の和:17989

約数の個数: 32

約数和(自身を含む): 32328000

約数和(自身を除く): 18679160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 17959, 35918, 71836, 89795, 143672, 179590, 341221, 359180, 682442, 718360, 1364884, 1706105, 2729768, 3412210, 6824420, 13648840]

約数ペア:

[(1, 13648840), (2, 6824420), (4, 3412210), (5, 2729768), (8, 1706105), (10, 1364884), (19, 718360), (20, 682442), (38, 359180), (40, 341221), (76, 179590), (95, 143672), (152, 89795), (190, 71836), (380, 35918), (760, 17959)]