55981270

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1289}}^1$

素因数の和:1440

約数の個数: 32

約数和(自身を含む): 104211360

約数和(自身を除く): 48230090

約数列:

[1, 2, 5, 10, 43, 86, 101, 202, 215, 430, 505, 1010, 1289, 2578, 4343, 6445, 8686, 12890, 21715, 43430, 55427, 110854, 130189, 260378, 277135, 554270, 650945, 1301890, 5598127, 11196254, 27990635, 55981270]

約数ペア:

[(1, 55981270), (2, 27990635), (5, 11196254), (10, 5598127), (43, 1301890), (86, 650945), (101, 554270), (202, 277135), (215, 260378), (430, 130189), (505, 110854), (1010, 55427), (1289, 43430), (2578, 21715), (4343, 12890), (6445, 8686)]