80029280

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2539}}^1$

素因数の和:2751

約数の個数: 48

約数和(自身を含む): 190103760

約数和(自身を除く): 110074480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 2539, 3152, 3940, 5078, 6304, 7880, 10156, 12695, 15760, 20312, 25390, 31520, 40624, 50780, 81248, 101560, 203120, 406240, 500183, 1000366, 2000732, 2500915, 4001464, 5001830, 8002928, 10003660, 16005856, 20007320, 40014640, 80029280]

約数ペア:

[(1, 80029280), (2, 40014640), (4, 20007320), (5, 16005856), (8, 10003660), (10, 8002928), (16, 5001830), (20, 4001464), (32, 2500915), (40, 2000732), (80, 1000366), (160, 500183), (197, 406240), (394, 203120), (788, 101560), (985, 81248), (1576, 50780), (1970, 40624), (2539, 31520), (3152, 25390), (3940, 20312), (5078, 15760), (6304, 12695), (7880, 10156)]