159541160

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{6203}}^1$

素因数の和:6857

約数の個数: 32

約数和(自身を含む): 359583840

約数和(自身を除く): 200042680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 5144, 6203, 6430, 12406, 12860, 24812, 25720, 31015, 49624, 62030, 124060, 248120, 3988529, 7977058, 15954116, 19942645, 31908232, 39885290, 79770580, 159541160]

約数ペア:

[(1, 159541160), (2, 79770580), (4, 39885290), (5, 31908232), (8, 19942645), (10, 15954116), (20, 7977058), (40, 3988529), (643, 248120), (1286, 124060), (2572, 62030), (3215, 49624), (5144, 31015), (6203, 25720), (6430, 24812), (12406, 12860)]