40281580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 88200000

約数和(自身を除く): 47918420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 199, 290, 349, 398, 580, 698, 796, 995, 1396, 1745, 1990, 3490, 3980, 5771, 6980, 10121, 11542, 20242, 23084, 28855, 40484, 50605, 57710, 69451, 101210, 115420, 138902, 202420, 277804, 347255, 694510, 1389020, 2014079, 4028158, 8056316, 10070395, 20140790, 40281580]

約数ペア:

[(1, 40281580), (2, 20140790), (4, 10070395), (5, 8056316), (10, 4028158), (20, 2014079), (29, 1389020), (58, 694510), (116, 347255), (145, 277804), (199, 202420), (290, 138902), (349, 115420), (398, 101210), (580, 69451), (698, 57710), (796, 50605), (995, 40484), (1396, 28855), (1745, 23084), (1990, 20242), (3490, 11542), (3980, 10121), (5771, 6980)]