78145360

素因数分解:

$2^4\times 5^1\times {\mathrm{976817}}^1$

素因数の和:976830

約数の個数: 20

約数和(自身を含む): 181688148

約数和(自身を除く): 103542788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 976817, 1953634, 3907268, 4884085, 7814536, 9768170, 15629072, 19536340, 39072680, 78145360]

約数ペア:

[(1, 78145360), (2, 39072680), (4, 19536340), (5, 15629072), (8, 9768170), (10, 7814536), (16, 4884085), (20, 3907268), (40, 1953634), (80, 976817)]