28445015440

素因数分解:

$2^4\times 5^1\times {\mathrm{355562693}}^1$

素因数の和:355562706

約数の個数: 20

約数和(自身を含む): 66134661084

約数和(自身を除く): 37689645644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 355562693, 711125386, 1422250772, 1777813465, 2844501544, 3555626930, 5689003088, 7111253860, 14222507720, 28445015440]

約数ペア:

[(1, 28445015440), (2, 14222507720), (4, 7111253860), (5, 5689003088), (8, 3555626930), (10, 2844501544), (16, 1777813465), (20, 1422250772), (40, 711125386), (80, 355562693)]