13317640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47563}}^1$

素因数の和:47581

約数の個数: 32

約数和(自身を含む): 34246080

約数和(自身を除く): 20928440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 47563, 95126, 190252, 237815, 332941, 380504, 475630, 665882, 951260, 1331764, 1664705, 1902520, 2663528, 3329410, 6658820, 13317640]

約数ペア:

[(1, 13317640), (2, 6658820), (4, 3329410), (5, 2663528), (7, 1902520), (8, 1664705), (10, 1331764), (14, 951260), (20, 665882), (28, 475630), (35, 380504), (40, 332941), (56, 237815), (70, 190252), (140, 95126), (280, 47563)]