8279660

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 18125856

約数和(自身を除く): 9846196

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 106, 107, 146, 212, 214, 265, 292, 365, 428, 530, 535, 730, 1060, 1070, 1460, 2140, 3869, 5671, 7738, 7811, 11342, 15476, 15622, 19345, 22684, 28355, 31244, 38690, 39055, 56710, 77380, 78110, 113420, 156220, 413983, 827966, 1655932, 2069915, 4139830, 8279660]

約数ペア:

[(1, 8279660), (2, 4139830), (4, 2069915), (5, 1655932), (10, 827966), (20, 413983), (53, 156220), (73, 113420), (106, 78110), (107, 77380), (146, 56710), (212, 39055), (214, 38690), (265, 31244), (292, 28355), (365, 22684), (428, 19345), (530, 15622), (535, 15476), (730, 11342), (1060, 7811), (1070, 7738), (1460, 5671), (2140, 3869)]