40014640

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2539}}^1$

素因数の和:2749

約数の個数: 40

約数和(自身を含む): 93543120

約数和(自身を除く): 53528480

約数列:

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

約数ペア:

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