31004320

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1811}}^1$

素因数の和:1933

約数の個数: 48

約数和(自身を含む): 73973088

約数和(自身を除く): 42968768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1712, 1811, 2140, 3424, 3622, 4280, 7244, 8560, 9055, 14488, 17120, 18110, 28976, 36220, 57952, 72440, 144880, 193777, 289760, 387554, 775108, 968885, 1550216, 1937770, 3100432, 3875540, 6200864, 7751080, 15502160, 31004320]

約数ペア:

[(1, 31004320), (2, 15502160), (4, 7751080), (5, 6200864), (8, 3875540), (10, 3100432), (16, 1937770), (20, 1550216), (32, 968885), (40, 775108), (80, 387554), (107, 289760), (160, 193777), (214, 144880), (428, 72440), (535, 57952), (856, 36220), (1070, 28976), (1712, 18110), (1811, 17120), (2140, 14488), (3424, 9055), (3622, 8560), (4280, 7244)]