2664339968240

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{254230913}}^1$

素因数の和:254231057

約数の個数: 40

約数和(自身を含む): 6241877400528

約数和(自身を除く): 3577537432288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 254230913, 508461826, 1016923652, 1271154565, 2033847304, 2542309130, 4067694608, 5084618260, 10169236520, 20338473040, 33304249603, 66608499206, 133216998412, 166521248015, 266433996824, 333042496030, 532867993648, 666084992060, 1332169984120, 2664339968240]

約数ペア:

[(1, 2664339968240), (2, 1332169984120), (4, 666084992060), (5, 532867993648), (8, 333042496030), (10, 266433996824), (16, 166521248015), (20, 133216998412), (40, 66608499206), (80, 33304249603), (131, 20338473040), (262, 10169236520), (524, 5084618260), (655, 4067694608), (1048, 2542309130), (1310, 2033847304), (2096, 1271154565), (2620, 1016923652), (5240, 508461826), (10480, 254230913)]