80008440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{666737}}^1$

素因数の和:666751

約数の個数: 32

約数和(自身を含む): 240025680

約数和(自身を除く): 160017240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 666737, 1333474, 2000211, 2666948, 3333685, 4000422, 5333896, 6667370, 8000844, 10001055, 13334740, 16001688, 20002110, 26669480, 40004220, 80008440]

約数ペア:

[(1, 80008440), (2, 40004220), (3, 26669480), (4, 20002110), (5, 16001688), (6, 13334740), (8, 10001055), (10, 8000844), (12, 6667370), (15, 5333896), (20, 4000422), (24, 3333685), (30, 2666948), (40, 2000211), (60, 1333474), (120, 666737)]