20167795600

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{826549}}^1$

素因数の和:826628

約数の個数: 60

約数和(自身を含む): 49247502100

約数和(自身を除く): 29079706500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 976, 1220, 1525, 2440, 3050, 4880, 6100, 12200, 24400, 826549, 1653098, 3306196, 4132745, 6612392, 8265490, 13224784, 16530980, 20663725, 33061960, 41327450, 50419489, 66123920, 82654900, 100838978, 165309800, 201677956, 252097445, 330619600, 403355912, 504194890, 806711824, 1008389780, 1260487225, 2016779560, 2520974450, 4033559120, 5041948900, 10083897800, 20167795600]

約数ペア:

[(1, 20167795600), (2, 10083897800), (4, 5041948900), (5, 4033559120), (8, 2520974450), (10, 2016779560), (16, 1260487225), (20, 1008389780), (25, 806711824), (40, 504194890), (50, 403355912), (61, 330619600), (80, 252097445), (100, 201677956), (122, 165309800), (200, 100838978), (244, 82654900), (305, 66123920), (400, 50419489), (488, 41327450), (610, 33061960), (976, 20663725), (1220, 16530980), (1525, 13224784), (2440, 8265490), (3050, 6612392), (4880, 4132745), (6100, 3306196), (12200, 1653098), (24400, 826549)]