1961724640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{395509}}^1$

素因数の和:395555

約数の個数: 48

約数和(自身を含む): 4784088960

約数和(自身を除く): 2822364320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 395509, 791018, 1582036, 1977545, 3164072, 3955090, 6328144, 7910180, 12260779, 12656288, 15820360, 24521558, 31640720, 49043116, 61303895, 63281440, 98086232, 122607790, 196172464, 245215580, 392344928, 490431160, 980862320, 1961724640]

約数ペア:

[(1, 1961724640), (2, 980862320), (4, 490431160), (5, 392344928), (8, 245215580), (10, 196172464), (16, 122607790), (20, 98086232), (31, 63281440), (32, 61303895), (40, 49043116), (62, 31640720), (80, 24521558), (124, 15820360), (155, 12656288), (160, 12260779), (248, 7910180), (310, 6328144), (496, 3955090), (620, 3164072), (992, 1977545), (1240, 1582036), (2480, 791018), (4960, 395509)]