55476640

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3181}}^1$

素因数の和:3305

約数の個数: 48

約数和(自身を含む): 132307560

約数和(自身を除く): 76830920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3181, 3488, 4360, 6362, 8720, 12724, 15905, 17440, 25448, 31810, 50896, 63620, 101792, 127240, 254480, 346729, 508960, 693458, 1386916, 1733645, 2773832, 3467290, 5547664, 6934580, 11095328, 13869160, 27738320, 55476640]

約数ペア:

[(1, 55476640), (2, 27738320), (4, 13869160), (5, 11095328), (8, 6934580), (10, 5547664), (16, 3467290), (20, 2773832), (32, 1733645), (40, 1386916), (80, 693458), (109, 508960), (160, 346729), (218, 254480), (436, 127240), (545, 101792), (872, 63620), (1090, 50896), (1744, 31810), (2180, 25448), (3181, 17440), (3488, 15905), (4360, 12724), (6362, 8720)]