84104120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51283}}^1$

素因数の和:51335

約数の個数: 32

約数和(自身を含む): 193853520

約数和(自身を除く): 109749400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 51283, 102566, 205132, 256415, 410264, 512830, 1025660, 2051320, 2102603, 4205206, 8410412, 10513015, 16820824, 21026030, 42052060, 84104120]

約数ペア:

[(1, 84104120), (2, 42052060), (4, 21026030), (5, 16820824), (8, 10513015), (10, 8410412), (20, 4205206), (40, 2102603), (41, 2051320), (82, 1025660), (164, 512830), (205, 410264), (328, 256415), (410, 205132), (820, 102566), (1640, 51283)]