13210160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2707}}^1$

素因数の和:2781

約数の個数: 40

約数和(自身を含む): 31228656

約数和(自身を除く): 18018496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 2707, 4880, 5414, 10828, 13535, 21656, 27070, 43312, 54140, 108280, 165127, 216560, 330254, 660508, 825635, 1321016, 1651270, 2642032, 3302540, 6605080, 13210160]

約数ペア:

[(1, 13210160), (2, 6605080), (4, 3302540), (5, 2642032), (8, 1651270), (10, 1321016), (16, 825635), (20, 660508), (40, 330254), (61, 216560), (80, 165127), (122, 108280), (244, 54140), (305, 43312), (488, 27070), (610, 21656), (976, 13535), (1220, 10828), (2440, 5414), (2707, 4880)]