39479740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1798

約数の個数: 48

約数和(自身を含む): 87945984

約数和(自身を除く): 48466244

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 1721, 2294, 3442, 4588, 5735, 6884, 8605, 11470, 17210, 22940, 34420, 53351, 63677, 106702, 127354, 213404, 254708, 266755, 318385, 533510, 636770, 1067020, 1273540, 1973987, 3947974, 7895948, 9869935, 19739870, 39479740]

約数ペア:

[(1, 39479740), (2, 19739870), (4, 9869935), (5, 7895948), (10, 3947974), (20, 1973987), (31, 1273540), (37, 1067020), (62, 636770), (74, 533510), (124, 318385), (148, 266755), (155, 254708), (185, 213404), (310, 127354), (370, 106702), (620, 63677), (740, 53351), (1147, 34420), (1721, 22940), (2294, 17210), (3442, 11470), (4588, 8605), (5735, 6884)]