82129540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{953}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 179504640

約数和(自身を除く): 97375100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 953, 1390, 1906, 2780, 3812, 4309, 4765, 8618, 9530, 17236, 19060, 21545, 29543, 43090, 59086, 86180, 118172, 132467, 147715, 264934, 295430, 529868, 590860, 662335, 1324670, 2649340, 4106477, 8212954, 16425908, 20532385, 41064770, 82129540]

約数ペア:

[(1, 82129540), (2, 41064770), (4, 20532385), (5, 16425908), (10, 8212954), (20, 4106477), (31, 2649340), (62, 1324670), (124, 662335), (139, 590860), (155, 529868), (278, 295430), (310, 264934), (556, 147715), (620, 132467), (695, 118172), (953, 86180), (1390, 59086), (1906, 43090), (2780, 29543), (3812, 21545), (4309, 19060), (4765, 17236), (8618, 9530)]