660884603920

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{81792649}}^1$

素因数の和:81792763

約数の個数: 40

約数和(自身を含む): 1551770155800

約数和(自身を除く): 890885551880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 81792649, 163585298, 327170596, 408963245, 654341192, 817926490, 1308682384, 1635852980, 3271705960, 6543411920, 8261057549, 16522115098, 33044230196, 41305287745, 66088460392, 82610575490, 132176920784, 165221150980, 330442301960, 660884603920]

約数ペア:

[(1, 660884603920), (2, 330442301960), (4, 165221150980), (5, 132176920784), (8, 82610575490), (10, 66088460392), (16, 41305287745), (20, 33044230196), (40, 16522115098), (80, 8261057549), (101, 6543411920), (202, 3271705960), (404, 1635852980), (505, 1308682384), (808, 817926490), (1010, 654341192), (1616, 408963245), (2020, 327170596), (4040, 163585298), (8080, 81792649)]