80997860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{238229}}^1$

素因数の和:238255

約数の個数: 24

約数和(自身を含む): 180101880

約数和(自身を除く): 99104020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 238229, 476458, 952916, 1191145, 2382290, 4049893, 4764580, 8099786, 16199572, 20249465, 40498930, 80997860]

約数ペア:

[(1, 80997860), (2, 40498930), (4, 20249465), (5, 16199572), (10, 8099786), (17, 4764580), (20, 4049893), (34, 2382290), (68, 1191145), (85, 952916), (170, 476458), (340, 238229)]