51826540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{487}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 115843392

約数和(自身を除く): 64016852

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 313, 340, 487, 626, 974, 1252, 1565, 1948, 2435, 3130, 4870, 5321, 6260, 8279, 9740, 10642, 16558, 21284, 26605, 33116, 41395, 53210, 82790, 106420, 152431, 165580, 304862, 609724, 762155, 1524310, 2591327, 3048620, 5182654, 10365308, 12956635, 25913270, 51826540]

約数ペア:

[(1, 51826540), (2, 25913270), (4, 12956635), (5, 10365308), (10, 5182654), (17, 3048620), (20, 2591327), (34, 1524310), (68, 762155), (85, 609724), (170, 304862), (313, 165580), (340, 152431), (487, 106420), (626, 82790), (974, 53210), (1252, 41395), (1565, 33116), (1948, 26605), (2435, 21284), (3130, 16558), (4870, 10642), (5321, 9740), (6260, 8279)]