80367190

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1979}}^1$

素因数の和:2148

約数の個数: 32

約数和(自身を含む): 150543360

約数和(自身を除く): 70176170

約数列:

[1, 2, 5, 10, 31, 62, 131, 155, 262, 310, 655, 1310, 1979, 3958, 4061, 8122, 9895, 19790, 20305, 40610, 61349, 122698, 259249, 306745, 518498, 613490, 1296245, 2592490, 8036719, 16073438, 40183595, 80367190]

約数ペア:

[(1, 80367190), (2, 40183595), (5, 16073438), (10, 8036719), (31, 2592490), (62, 1296245), (131, 613490), (155, 518498), (262, 306745), (310, 259249), (655, 122698), (1310, 61349), (1979, 40610), (3958, 20305), (4061, 19790), (8122, 9895)]