61866440

素因数分解:

$2^3\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{1303}}^1$

素因数の和:2501

約数の個数: 32

約数和(自身を含む): 139423680

約数和(自身を除く): 77557240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1187, 1303, 2374, 2606, 4748, 5212, 5935, 6515, 9496, 10424, 11870, 13030, 23740, 26060, 47480, 52120, 1546661, 3093322, 6186644, 7733305, 12373288, 15466610, 30933220, 61866440]

約数ペア:

[(1, 61866440), (2, 30933220), (4, 15466610), (5, 12373288), (8, 7733305), (10, 6186644), (20, 3093322), (40, 1546661), (1187, 52120), (1303, 47480), (2374, 26060), (2606, 23740), (4748, 13030), (5212, 11870), (5935, 10424), (6515, 9496)]