1780492160

素因数分解:

$2^7\times 5^1\times {\mathrm{2782019}}^1$

素因数の和:2782038

約数の個数: 32

約数和(自身を含む): 4256490600

約数和(自身を除く): 2475998440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2782019, 5564038, 11128076, 13910095, 22256152, 27820190, 44512304, 55640380, 89024608, 111280760, 178049216, 222561520, 356098432, 445123040, 890246080, 1780492160]

約数ペア:

[(1, 1780492160), (2, 890246080), (4, 445123040), (5, 356098432), (8, 222561520), (10, 178049216), (16, 111280760), (20, 89024608), (32, 55640380), (40, 44512304), (64, 27820190), (80, 22256152), (128, 13910095), (160, 11128076), (320, 5564038), (640, 2782019)]