2065654760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3972413}}^1$

素因数の和:3972437

約数の個数: 32

約数和(自身を含む): 5005241640

約数和(自身を除く): 2939586880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3972413, 7944826, 15889652, 19862065, 31779304, 39724130, 51641369, 79448260, 103282738, 158896520, 206565476, 258206845, 413130952, 516413690, 1032827380, 2065654760]

約数ペア:

[(1, 2065654760), (2, 1032827380), (4, 516413690), (5, 413130952), (8, 258206845), (10, 206565476), (13, 158896520), (20, 103282738), (26, 79448260), (40, 51641369), (52, 39724130), (65, 31779304), (104, 19862065), (130, 15889652), (260, 7944826), (520, 3972413)]