32881000

素因数分解:

$2^3\times 5^3\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 77837760

約数和(自身を除く): 44956760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 131, 200, 250, 251, 262, 500, 502, 524, 655, 1000, 1004, 1048, 1255, 1310, 2008, 2510, 2620, 3275, 5020, 5240, 6275, 6550, 10040, 12550, 13100, 16375, 25100, 26200, 31375, 32750, 32881, 50200, 62750, 65500, 65762, 125500, 131000, 131524, 164405, 251000, 263048, 328810, 657620, 822025, 1315240, 1644050, 3288100, 4110125, 6576200, 8220250, 16440500, 32881000]

約数ペア:

[(1, 32881000), (2, 16440500), (4, 8220250), (5, 6576200), (8, 4110125), (10, 3288100), (20, 1644050), (25, 1315240), (40, 822025), (50, 657620), (100, 328810), (125, 263048), (131, 251000), (200, 164405), (250, 131524), (251, 131000), (262, 125500), (500, 65762), (502, 65500), (524, 62750), (655, 50200), (1000, 32881), (1004, 32750), (1048, 31375), (1255, 26200), (1310, 25100), (2008, 16375), (2510, 13100), (2620, 12550), (3275, 10040), (5020, 6550), (5240, 6275)]