8045778380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21173101}}^1$

素因数の和:21173129

約数の個数: 24

約数和(自身を含む): 17785405680

約数和(自身を除く): 9739627300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21173101, 42346202, 84692404, 105865505, 211731010, 402288919, 423462020, 804577838, 1609155676, 2011444595, 4022889190, 8045778380]

約数ペア:

[(1, 8045778380), (2, 4022889190), (4, 2011444595), (5, 1609155676), (10, 804577838), (19, 423462020), (20, 402288919), (38, 211731010), (76, 105865505), (95, 84692404), (190, 42346202), (380, 21173101)]