201331280

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19211}}^1$

素因数の和:19355

約数の個数: 40

約数和(自身を含む): 471693024

約数和(自身を除く): 270361744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 19211, 38422, 76844, 96055, 153688, 192110, 307376, 384220, 768440, 1536880, 2516641, 5033282, 10066564, 12583205, 20133128, 25166410, 40266256, 50332820, 100665640, 201331280]

約数ペア:

[(1, 201331280), (2, 100665640), (4, 50332820), (5, 40266256), (8, 25166410), (10, 20133128), (16, 12583205), (20, 10066564), (40, 5033282), (80, 2516641), (131, 1536880), (262, 768440), (524, 384220), (655, 307376), (1048, 192110), (1310, 153688), (2096, 96055), (2620, 76844), (5240, 38422), (10480, 19211)]