89887240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{77489}}^1$

素因数の和:77529

約数の個数: 32

約数和(自身を含む): 209223000

約数和(自身を除く): 119335760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 77489, 154978, 309956, 387445, 619912, 774890, 1549780, 2247181, 3099560, 4494362, 8988724, 11235905, 17977448, 22471810, 44943620, 89887240]

約数ペア:

[(1, 89887240), (2, 44943620), (4, 22471810), (5, 17977448), (8, 11235905), (10, 8988724), (20, 4494362), (29, 3099560), (40, 2247181), (58, 1549780), (116, 774890), (145, 619912), (232, 387445), (290, 309956), (580, 154978), (1160, 77489)]