80188220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1367}}^1$

素因数の和:1802

約数の個数: 48

約数和(自身を含む): 193052160

約数和(自身を除く): 112863940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 838, 1367, 1676, 2095, 2734, 2933, 4190, 5468, 5866, 6835, 8380, 9569, 11732, 13670, 14665, 19138, 27340, 29330, 38276, 47845, 58660, 95690, 191380, 572773, 1145546, 2291092, 2863865, 4009411, 5727730, 8018822, 11455460, 16037644, 20047055, 40094110, 80188220]

約数ペア:

[(1, 80188220), (2, 40094110), (4, 20047055), (5, 16037644), (7, 11455460), (10, 8018822), (14, 5727730), (20, 4009411), (28, 2863865), (35, 2291092), (70, 1145546), (140, 572773), (419, 191380), (838, 95690), (1367, 58660), (1676, 47845), (2095, 38276), (2734, 29330), (2933, 27340), (4190, 19138), (5468, 14665), (5866, 13670), (6835, 11732), (8380, 9569)]