8205173620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1890593}}^1$

素因数の和:1890640

約数の個数: 48

約数和(自身を含む): 20327666688

約数和(自身を除く): 12122493068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 1890593, 3781186, 7562372, 9452965, 13234151, 18905930, 26468302, 37811860, 52936604, 58608383, 66170755, 117216766, 132341510, 234433532, 264683020, 293041915, 410258681, 586083830, 820517362, 1172167660, 1641034724, 2051293405, 4102586810, 8205173620]

約数ペア:

[(1, 8205173620), (2, 4102586810), (4, 2051293405), (5, 1641034724), (7, 1172167660), (10, 820517362), (14, 586083830), (20, 410258681), (28, 293041915), (31, 264683020), (35, 234433532), (62, 132341510), (70, 117216766), (124, 66170755), (140, 58608383), (155, 52936604), (217, 37811860), (310, 26468302), (434, 18905930), (620, 13234151), (868, 9452965), (1085, 7562372), (2170, 3781186), (4340, 1890593)]