361339280

素因数分解:

$2^4\times 5^1\times {\mathrm{4516741}}^1$

素因数の和:4516754

約数の個数: 20

約数和(自身を含む): 840114012

約数和(自身を除く): 478774732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4516741, 9033482, 18066964, 22583705, 36133928, 45167410, 72267856, 90334820, 180669640, 361339280]

約数ペア:

[(1, 361339280), (2, 180669640), (4, 90334820), (5, 72267856), (8, 45167410), (10, 36133928), (16, 22583705), (20, 18066964), (40, 9033482), (80, 4516741)]