870778880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{85037}}^1$

素因数の和:85064

約数の個数: 48

約数和(自身を含む): 2089383660

約数和(自身を除く): 1218604780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 85037, 170074, 340148, 425185, 680296, 850370, 1360592, 1700740, 2721184, 3401480, 5442368, 6802960, 10884736, 13605920, 21769472, 27211840, 43538944, 54423680, 87077888, 108847360, 174155776, 217694720, 435389440, 870778880]

約数ペア:

[(1, 870778880), (2, 435389440), (4, 217694720), (5, 174155776), (8, 108847360), (10, 87077888), (16, 54423680), (20, 43538944), (32, 27211840), (40, 21769472), (64, 13605920), (80, 10884736), (128, 6802960), (160, 5442368), (256, 3401480), (320, 2721184), (512, 1700740), (640, 1360592), (1024, 850370), (1280, 680296), (2048, 425185), (2560, 340148), (5120, 170074), (10240, 85037)]