40339870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1231}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 75841920

約数和(自身を除く): 35502050

約数列:

[1, 2, 5, 10, 29, 58, 113, 145, 226, 290, 565, 1130, 1231, 2462, 3277, 6155, 6554, 12310, 16385, 32770, 35699, 71398, 139103, 178495, 278206, 356990, 695515, 1391030, 4033987, 8067974, 20169935, 40339870]

約数ペア:

[(1, 40339870), (2, 20169935), (5, 8067974), (10, 4033987), (29, 1391030), (58, 695515), (113, 356990), (145, 278206), (226, 178495), (290, 139103), (565, 71398), (1130, 35699), (1231, 32770), (2462, 16385), (3277, 12310), (6155, 6554)]