258132880

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{24631}}^1$

素因数の和:24775

約数の個数: 40

約数和(自身を含む): 604764864

約数和(自身を除く): 346631984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 24631, 49262, 98524, 123155, 197048, 246310, 394096, 492620, 985240, 1970480, 3226661, 6453322, 12906644, 16133305, 25813288, 32266610, 51626576, 64533220, 129066440, 258132880]

約数ペア:

[(1, 258132880), (2, 129066440), (4, 64533220), (5, 51626576), (8, 32266610), (10, 25813288), (16, 16133305), (20, 12906644), (40, 6453322), (80, 3226661), (131, 1970480), (262, 985240), (524, 492620), (655, 394096), (1048, 246310), (1310, 197048), (2096, 123155), (2620, 98524), (5240, 49262), (10480, 24631)]