12707000

素因数分解:

$2^3\times 5^3\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 30270240

約数和(自身を除く): 17563240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 125, 131, 194, 200, 250, 262, 388, 485, 500, 524, 655, 776, 970, 1000, 1048, 1310, 1940, 2425, 2620, 3275, 3880, 4850, 5240, 6550, 9700, 12125, 12707, 13100, 16375, 19400, 24250, 25414, 26200, 32750, 48500, 50828, 63535, 65500, 97000, 101656, 127070, 131000, 254140, 317675, 508280, 635350, 1270700, 1588375, 2541400, 3176750, 6353500, 12707000]

約数ペア:

[(1, 12707000), (2, 6353500), (4, 3176750), (5, 2541400), (8, 1588375), (10, 1270700), (20, 635350), (25, 508280), (40, 317675), (50, 254140), (97, 131000), (100, 127070), (125, 101656), (131, 97000), (194, 65500), (200, 63535), (250, 50828), (262, 48500), (388, 32750), (485, 26200), (500, 25414), (524, 24250), (655, 19400), (776, 16375), (970, 13100), (1000, 12707), (1048, 12125), (1310, 9700), (1940, 6550), (2425, 5240), (2620, 4850), (3275, 3880)]