84865360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62401}}^1$

素因数の和:62431

約数の個数: 40

約数和(自身を含む): 208921896

約数和(自身を除く): 124056536

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 62401, 124802, 249604, 312005, 499208, 624010, 998416, 1060817, 1248020, 2121634, 2496040, 4243268, 4992080, 5304085, 8486536, 10608170, 16973072, 21216340, 42432680, 84865360]

約数ペア:

[(1, 84865360), (2, 42432680), (4, 21216340), (5, 16973072), (8, 10608170), (10, 8486536), (16, 5304085), (17, 4992080), (20, 4243268), (34, 2496040), (40, 2121634), (68, 1248020), (80, 1060817), (85, 998416), (136, 624010), (170, 499208), (272, 312005), (340, 249604), (680, 124802), (1360, 62401)]