26384920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 63180000

約数和(自身を除く): 36795080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 233, 298, 380, 466, 596, 745, 760, 932, 1165, 1192, 1490, 1864, 2330, 2831, 2980, 4427, 4660, 5662, 5960, 8854, 9320, 11324, 14155, 17708, 22135, 22648, 28310, 34717, 35416, 44270, 56620, 69434, 88540, 113240, 138868, 173585, 177080, 277736, 347170, 659623, 694340, 1319246, 1388680, 2638492, 3298115, 5276984, 6596230, 13192460, 26384920]

約数ペア:

[(1, 26384920), (2, 13192460), (4, 6596230), (5, 5276984), (8, 3298115), (10, 2638492), (19, 1388680), (20, 1319246), (38, 694340), (40, 659623), (76, 347170), (95, 277736), (149, 177080), (152, 173585), (190, 138868), (233, 113240), (298, 88540), (380, 69434), (466, 56620), (596, 44270), (745, 35416), (760, 34717), (932, 28310), (1165, 22648), (1192, 22135), (1490, 17708), (1864, 14155), (2330, 11324), (2831, 9320), (2980, 8854), (4427, 5960), (4660, 5662)]