20128065400

素因数分解:

$2^3\times 5^2\times {\mathrm{6971}}^1\times {\mathrm{14437}}^1$

素因数の和:21424

約数の個数: 48

約数和(自身を含む): 46807707240

約数和(自身を除く): 26679641840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 6971, 13942, 14437, 27884, 28874, 34855, 55768, 57748, 69710, 72185, 115496, 139420, 144370, 174275, 278840, 288740, 348550, 360925, 577480, 697100, 721850, 1394200, 1443700, 2887400, 100640327, 201280654, 402561308, 503201635, 805122616, 1006403270, 2012806540, 2516008175, 4025613080, 5032016350, 10064032700, 20128065400]

約数ペア:

[(1, 20128065400), (2, 10064032700), (4, 5032016350), (5, 4025613080), (8, 2516008175), (10, 2012806540), (20, 1006403270), (25, 805122616), (40, 503201635), (50, 402561308), (100, 201280654), (200, 100640327), (6971, 2887400), (13942, 1443700), (14437, 1394200), (27884, 721850), (28874, 697100), (34855, 577480), (55768, 360925), (57748, 348550), (69710, 288740), (72185, 278840), (115496, 174275), (139420, 144370)]