16278440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21419}}^1$

素因数の和:21449

約数の個数: 32

約数和(自身を含む): 38556000

約数和(自身を除く): 22277560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 21419, 42838, 85676, 107095, 171352, 214190, 406961, 428380, 813922, 856760, 1627844, 2034805, 3255688, 4069610, 8139220, 16278440]

約数ペア:

[(1, 16278440), (2, 8139220), (4, 4069610), (5, 3255688), (8, 2034805), (10, 1627844), (19, 856760), (20, 813922), (38, 428380), (40, 406961), (76, 214190), (95, 171352), (152, 107095), (190, 85676), (380, 42838), (760, 21419)]