72665920

素因数分解:

$2^6\times 5^1\times {\mathrm{227081}}^1$

素因数の和:227098

約数の個数: 28

約数和(自身を含む): 173036484

約数和(自身を除く): 100370564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 227081, 454162, 908324, 1135405, 1816648, 2270810, 3633296, 4541620, 7266592, 9083240, 14533184, 18166480, 36332960, 72665920]

約数ペア:

[(1, 72665920), (2, 36332960), (4, 18166480), (5, 14533184), (8, 9083240), (10, 7266592), (16, 4541620), (20, 3633296), (32, 2270810), (40, 1816648), (64, 1135405), (80, 908324), (160, 454162), (320, 227081)]