61389880

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{6761}}^1$

素因数の和:6999

約数の個数: 32

約数和(自身を含む): 138756240

約数和(自身を除く): 77366360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 6761, 9080, 13522, 27044, 33805, 54088, 67610, 135220, 270440, 1534747, 3069494, 6138988, 7673735, 12277976, 15347470, 30694940, 61389880]

約数ペア:

[(1, 61389880), (2, 30694940), (4, 15347470), (5, 12277976), (8, 7673735), (10, 6138988), (20, 3069494), (40, 1534747), (227, 270440), (454, 135220), (908, 67610), (1135, 54088), (1816, 33805), (2270, 27044), (4540, 13522), (6761, 9080)]