64754620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5197}}^1$

素因数の和:5302

約数の個数: 48

約数和(自身を含む): 157187520

約数和(自身を除く): 92432900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 5197, 6230, 10394, 12460, 20788, 25985, 36379, 51970, 72758, 103940, 145516, 181895, 363790, 462533, 727580, 925066, 1850132, 2312665, 3237731, 4625330, 6475462, 9250660, 12950924, 16188655, 32377310, 64754620]

約数ペア:

[(1, 64754620), (2, 32377310), (4, 16188655), (5, 12950924), (7, 9250660), (10, 6475462), (14, 4625330), (20, 3237731), (28, 2312665), (35, 1850132), (70, 925066), (89, 727580), (140, 462533), (178, 363790), (356, 181895), (445, 145516), (623, 103940), (890, 72758), (1246, 51970), (1780, 36379), (2492, 25985), (3115, 20788), (5197, 12460), (6230, 10394)]