40020290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{2339}}^1$

素因数の和:2434

約数の個数: 32

約数和(自身を含む): 75816000

約数和(自身を除く): 35795710

約数列:

[1, 2, 5, 10, 29, 58, 59, 118, 145, 290, 295, 590, 1711, 2339, 3422, 4678, 8555, 11695, 17110, 23390, 67831, 135662, 138001, 276002, 339155, 678310, 690005, 1380010, 4002029, 8004058, 20010145, 40020290]

約数ペア:

[(1, 40020290), (2, 20010145), (5, 8004058), (10, 4002029), (29, 1380010), (58, 690005), (59, 678310), (118, 339155), (145, 276002), (290, 138001), (295, 135662), (590, 67831), (1711, 23390), (2339, 17110), (3422, 11695), (4678, 8555)]