561465040

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{132421}}^1$

素因数の和:132487

約数の個数: 40

約数和(自身を含む): 1330046568

約数和(自身を除く): 768581528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 132421, 264842, 529684, 662105, 1059368, 1324210, 2118736, 2648420, 5296840, 7018313, 10593680, 14036626, 28073252, 35091565, 56146504, 70183130, 112293008, 140366260, 280732520, 561465040]

約数ペア:

[(1, 561465040), (2, 280732520), (4, 140366260), (5, 112293008), (8, 70183130), (10, 56146504), (16, 35091565), (20, 28073252), (40, 14036626), (53, 10593680), (80, 7018313), (106, 5296840), (212, 2648420), (265, 2118736), (424, 1324210), (530, 1059368), (848, 662105), (1060, 529684), (2120, 264842), (4240, 132421)]