2541400

素因数分解:

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

素因数の和:244

約数の個数: 48

約数和(自身を含む): 6015240

約数和(自身を除く): 3473840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 131, 194, 200, 262, 388, 485, 524, 655, 776, 970, 1048, 1310, 1940, 2425, 2620, 3275, 3880, 4850, 5240, 6550, 9700, 12707, 13100, 19400, 25414, 26200, 50828, 63535, 101656, 127070, 254140, 317675, 508280, 635350, 1270700, 2541400]

約数ペア:

[(1, 2541400), (2, 1270700), (4, 635350), (5, 508280), (8, 317675), (10, 254140), (20, 127070), (25, 101656), (40, 63535), (50, 50828), (97, 26200), (100, 25414), (131, 19400), (194, 13100), (200, 12707), (262, 9700), (388, 6550), (485, 5240), (524, 4850), (655, 3880), (776, 3275), (970, 2620), (1048, 2425), (1310, 1940)]