81871160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41771}}^1$

素因数の和:41796

約数の個数: 48

約数和(自身を含む): 214290360

約数和(自身を除く): 132419200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 41771, 83542, 167084, 208855, 292397, 334168, 417710, 584794, 835420, 1169588, 1461985, 1670840, 2046779, 2339176, 2923970, 4093558, 5847940, 8187116, 10233895, 11695880, 16374232, 20467790, 40935580, 81871160]

約数ペア:

[(1, 81871160), (2, 40935580), (4, 20467790), (5, 16374232), (7, 11695880), (8, 10233895), (10, 8187116), (14, 5847940), (20, 4093558), (28, 2923970), (35, 2339176), (40, 2046779), (49, 1670840), (56, 1461985), (70, 1169588), (98, 835420), (140, 584794), (196, 417710), (245, 334168), (280, 292397), (392, 208855), (490, 167084), (980, 83542), (1960, 41771)]