80028970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2939}}^1$

素因数の和:3342

約数の個数: 32

約数和(自身を含む): 165110400

約数和(自身を除く): 85081430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 389, 778, 1945, 2723, 2939, 3890, 5446, 5878, 13615, 14695, 20573, 27230, 29390, 41146, 102865, 205730, 1143271, 2286542, 5716355, 8002897, 11432710, 16005794, 40014485, 80028970]

約数ペア:

[(1, 80028970), (2, 40014485), (5, 16005794), (7, 11432710), (10, 8002897), (14, 5716355), (35, 2286542), (70, 1143271), (389, 205730), (778, 102865), (1945, 41146), (2723, 29390), (2939, 27230), (3890, 20573), (5446, 14695), (5878, 13615)]