65630740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{821}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 157981824

約数和(自身を除く): 92351084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571, 821, 1142, 1642, 2284, 2855, 3284, 3997, 4105, 5710, 5747, 7994, 8210, 11420, 11494, 15988, 16420, 19985, 22988, 28735, 39970, 57470, 79940, 114940, 468791, 937582, 1875164, 2343955, 3281537, 4687910, 6563074, 9375820, 13126148, 16407685, 32815370, 65630740]

約数ペア:

[(1, 65630740), (2, 32815370), (4, 16407685), (5, 13126148), (7, 9375820), (10, 6563074), (14, 4687910), (20, 3281537), (28, 2343955), (35, 1875164), (70, 937582), (140, 468791), (571, 114940), (821, 79940), (1142, 57470), (1642, 39970), (2284, 28735), (2855, 22988), (3284, 19985), (3997, 16420), (4105, 15988), (5710, 11494), (5747, 11420), (7994, 8210)]