131000

素因数分解:

$2^3\times 5^3\times {\mathrm{131}}^1$

素因数の和:152

約数の個数: 32

約数和(自身を含む): 308880

約数和(自身を除く): 177880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 131, 200, 250, 262, 500, 524, 655, 1000, 1048, 1310, 2620, 3275, 5240, 6550, 13100, 16375, 26200, 32750, 65500, 131000]

約数ペア:

[(1, 131000), (2, 65500), (4, 32750), (5, 26200), (8, 16375), (10, 13100), (20, 6550), (25, 5240), (40, 3275), (50, 2620), (100, 1310), (125, 1048), (131, 1000), (200, 655), (250, 524), (262, 500)]