1330987760

素因数分解:

$2^4\times 5^1\times {\mathrm{16637347}}^1$

素因数の和:16637360

約数の個数: 20

約数和(自身を含む): 3094546728

約数和(自身を除く): 1763558968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16637347, 33274694, 66549388, 83186735, 133098776, 166373470, 266197552, 332746940, 665493880, 1330987760]

約数ペア:

[(1, 1330987760), (2, 665493880), (4, 332746940), (5, 266197552), (8, 166373470), (10, 133098776), (16, 83186735), (20, 66549388), (40, 33274694), (80, 16637347)]