131910160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{86783}}^1$

素因数の和:86815

約数の個数: 40

約数和(自身を含む): 322836480

約数和(自身を除く): 190926320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 86783, 173566, 347132, 433915, 694264, 867830, 1388528, 1648877, 1735660, 3297754, 3471320, 6595508, 6942640, 8244385, 13191016, 16488770, 26382032, 32977540, 65955080, 131910160]

約数ペア:

[(1, 131910160), (2, 65955080), (4, 32977540), (5, 26382032), (8, 16488770), (10, 13191016), (16, 8244385), (19, 6942640), (20, 6595508), (38, 3471320), (40, 3297754), (76, 1735660), (80, 1648877), (95, 1388528), (152, 867830), (190, 694264), (304, 433915), (380, 347132), (760, 173566), (1520, 86783)]