145331840

素因数分解:

$2^7\times 5^1\times {\mathrm{227081}}^1$

素因数の和:227100

約数の個数: 32

約数和(自身を含む): 347435460

約数和(自身を除く): 202103620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 227081, 454162, 908324, 1135405, 1816648, 2270810, 3633296, 4541620, 7266592, 9083240, 14533184, 18166480, 29066368, 36332960, 72665920, 145331840]

約数ペア:

[(1, 145331840), (2, 72665920), (4, 36332960), (5, 29066368), (8, 18166480), (10, 14533184), (16, 9083240), (20, 7266592), (32, 4541620), (40, 3633296), (64, 2270810), (80, 1816648), (128, 1135405), (160, 908324), (320, 454162), (640, 227081)]