508280

素因数分解:

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

素因数の和:239

約数の個数: 32

約数和(自身を含む): 1164240

約数和(自身を除く): 655960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 131, 194, 262, 388, 485, 524, 655, 776, 970, 1048, 1310, 1940, 2620, 3880, 5240, 12707, 25414, 50828, 63535, 101656, 127070, 254140, 508280]

約数ペア:

[(1, 508280), (2, 254140), (4, 127070), (5, 101656), (8, 63535), (10, 50828), (20, 25414), (40, 12707), (97, 5240), (131, 3880), (194, 2620), (262, 1940), (388, 1310), (485, 1048), (524, 970), (655, 776)]