19662006560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2507909}}^1$

素因数の和:2507938

約数の個数: 72

約数和(自身を含む): 54035428860

約数和(自身を除く): 34373422300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 2507909, 5015818, 10031636, 12539545, 17555363, 20063272, 25079090, 35110726, 40126544, 50158180, 70221452, 80253088, 87776815, 100316360, 122887541, 140442904, 175553630, 200632720, 245775082, 280885808, 351107260, 401265440, 491550164, 561771616, 614437705, 702214520, 983100328, 1228875410, 1404429040, 1966200656, 2457750820, 2808858080, 3932401312, 4915501640, 9831003280, 19662006560]

約数ペア:

[(1, 19662006560), (2, 9831003280), (4, 4915501640), (5, 3932401312), (7, 2808858080), (8, 2457750820), (10, 1966200656), (14, 1404429040), (16, 1228875410), (20, 983100328), (28, 702214520), (32, 614437705), (35, 561771616), (40, 491550164), (49, 401265440), (56, 351107260), (70, 280885808), (80, 245775082), (98, 200632720), (112, 175553630), (140, 140442904), (160, 122887541), (196, 100316360), (224, 87776815), (245, 80253088), (280, 70221452), (392, 50158180), (490, 40126544), (560, 35110726), (784, 25079090), (980, 20063272), (1120, 17555363), (1568, 12539545), (1960, 10031636), (3920, 5015818), (7840, 2507909)]