3640840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13003}}^1$

素因数の和:13021

約数の個数: 32

約数和(自身を含む): 9362880

約数和(自身を除く): 5722040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 13003, 26006, 52012, 65015, 91021, 104024, 130030, 182042, 260060, 364084, 455105, 520120, 728168, 910210, 1820420, 3640840]

約数ペア:

[(1, 3640840), (2, 1820420), (4, 910210), (5, 728168), (7, 520120), (8, 455105), (10, 364084), (14, 260060), (20, 182042), (28, 130030), (35, 104024), (40, 91021), (56, 65015), (70, 52012), (140, 26006), (280, 13003)]