80528872

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1381}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 155972520

約数和(自身を除く): 75443648

約数列:

[1, 2, 4, 8, 37, 74, 148, 197, 296, 394, 788, 1381, 1576, 2762, 5524, 7289, 11048, 14578, 29156, 51097, 58312, 102194, 204388, 272057, 408776, 544114, 1088228, 2176456, 10066109, 20132218, 40264436, 80528872]

約数ペア:

[(1, 80528872), (2, 40264436), (4, 20132218), (8, 10066109), (37, 2176456), (74, 1088228), (148, 544114), (197, 408776), (296, 272057), (394, 204388), (788, 102194), (1381, 58312), (1576, 51097), (2762, 29156), (5524, 14578), (7289, 11048)]