664179920

素因数分解:

$2^4\times 5^1\times {\mathrm{853}}^1\times {\mathrm{9733}}^1$

素因数の和:10599

約数の個数: 40

約数和(自身を含む): 1546187496

約数和(自身を除く): 882007576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 853, 1706, 3412, 4265, 6824, 8530, 9733, 13648, 17060, 19466, 34120, 38932, 48665, 68240, 77864, 97330, 155728, 194660, 389320, 778640, 8302249, 16604498, 33208996, 41511245, 66417992, 83022490, 132835984, 166044980, 332089960, 664179920]

約数ペア:

[(1, 664179920), (2, 332089960), (4, 166044980), (5, 132835984), (8, 83022490), (10, 66417992), (16, 41511245), (20, 33208996), (40, 16604498), (80, 8302249), (853, 778640), (1706, 389320), (3412, 194660), (4265, 155728), (6824, 97330), (8530, 77864), (9733, 68240), (13648, 48665), (17060, 38932), (19466, 34120)]