22216720

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{839}}^1$

素因数の和:1183

約数の個数: 40

約数和(自身を含む): 51871680

約数和(自身を除く): 29654960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 839, 1324, 1655, 1678, 2648, 3310, 3356, 4195, 5296, 6620, 6712, 8390, 13240, 13424, 16780, 26480, 33560, 67120, 277709, 555418, 1110836, 1388545, 2221672, 2777090, 4443344, 5554180, 11108360, 22216720]

約数ペア:

[(1, 22216720), (2, 11108360), (4, 5554180), (5, 4443344), (8, 2777090), (10, 2221672), (16, 1388545), (20, 1110836), (40, 555418), (80, 277709), (331, 67120), (662, 33560), (839, 26480), (1324, 16780), (1655, 13424), (1678, 13240), (2648, 8390), (3310, 6712), (3356, 6620), (4195, 5296)]