66888440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{22907}}^1$

素因数の和:22991

約数の個数: 32

約数和(自身を含む): 152567280

約数和(自身を除く): 85678840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 22907, 45814, 91628, 114535, 183256, 229070, 458140, 916280, 1672211, 3344422, 6688844, 8361055, 13377688, 16722110, 33444220, 66888440]

約数ペア:

[(1, 66888440), (2, 33444220), (4, 16722110), (5, 13377688), (8, 8361055), (10, 6688844), (20, 3344422), (40, 1672211), (73, 916280), (146, 458140), (292, 229070), (365, 183256), (584, 114535), (730, 91628), (1460, 45814), (2920, 22907)]