156966876380

素因数分解:

$2^2\times 5^1\times {\mathrm{19819}}^1\times {\mathrm{396001}}^1$

素因数の和:415829

約数の個数: 24

約数和(自身を含む): 329647904880

約数和(自身を除く): 172681028500

約数列:

[1, 2, 4, 5, 10, 20, 19819, 39638, 79276, 99095, 198190, 396001, 396380, 792002, 1584004, 1980005, 3960010, 7920020, 7848343819, 15696687638, 31393375276, 39241719095, 78483438190, 156966876380]

約数ペア:

[(1, 156966876380), (2, 78483438190), (4, 39241719095), (5, 31393375276), (10, 15696687638), (20, 7848343819), (19819, 7920020), (39638, 3960010), (79276, 1980005), (99095, 1584004), (198190, 792002), (396001, 396380)]