329740120

素因数分解:

$2^3\times 5^1\times {\mathrm{1777}}^1\times {\mathrm{4639}}^1$

素因数の和:6427

約数の個数: 32

約数和(自身を含む): 742492800

約数和(自身を除く): 412752680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1777, 3554, 4639, 7108, 8885, 9278, 14216, 17770, 18556, 23195, 35540, 37112, 46390, 71080, 92780, 185560, 8243503, 16487006, 32974012, 41217515, 65948024, 82435030, 164870060, 329740120]

約数ペア:

[(1, 329740120), (2, 164870060), (4, 82435030), (5, 65948024), (8, 41217515), (10, 32974012), (20, 16487006), (40, 8243503), (1777, 185560), (3554, 92780), (4639, 71080), (7108, 46390), (8885, 37112), (9278, 35540), (14216, 23195), (17770, 18556)]