30881000

素因数分解:

$2^3\times 5^3\times {\mathrm{30881}}^1$

素因数の和:30902

約数の個数: 32

約数和(自身を含む): 72263880

約数和(自身を除く): 41382880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 30881, 61762, 123524, 154405, 247048, 308810, 617620, 772025, 1235240, 1544050, 3088100, 3860125, 6176200, 7720250, 15440500, 30881000]

約数ペア:

[(1, 30881000), (2, 15440500), (4, 7720250), (5, 6176200), (8, 3860125), (10, 3088100), (20, 1544050), (25, 1235240), (40, 772025), (50, 617620), (100, 308810), (125, 247048), (200, 154405), (250, 123524), (500, 61762), (1000, 30881)]