145865920

素因数分解:

$2^6\times 5^1\times {\mathrm{455831}}^1$

素因数の和:455848

約数の個数: 28

約数和(自身を含む): 347343984

約数和(自身を除く): 201478064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 455831, 911662, 1823324, 2279155, 3646648, 4558310, 7293296, 9116620, 14586592, 18233240, 29173184, 36466480, 72932960, 145865920]

約数ペア:

[(1, 145865920), (2, 72932960), (4, 36466480), (5, 29173184), (8, 18233240), (10, 14586592), (16, 9116620), (20, 7293296), (32, 4558310), (40, 3646648), (64, 2279155), (80, 1823324), (160, 911662), (320, 455831)]