78426340

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{66463}}^1$

素因数の和:66531

約数の個数: 24

約数和(自身を含む): 167489280

約数和(自身を除く): 89062940

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 66463, 132926, 265852, 332315, 664630, 1329260, 3921317, 7842634, 15685268, 19606585, 39213170, 78426340]

約数ペア:

[(1, 78426340), (2, 39213170), (4, 19606585), (5, 15685268), (10, 7842634), (20, 3921317), (59, 1329260), (118, 664630), (236, 332315), (295, 265852), (590, 132926), (1180, 66463)]