205558720

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33809}}^1$

素因数の和:33845

約数の個数: 56

約数和(自身を含む): 515264400

約数和(自身を除く): 309705680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 33809, 67618, 135236, 169045, 270472, 338090, 540944, 642371, 676180, 1081888, 1284742, 1352360, 2163776, 2569484, 2704720, 3211855, 5138968, 5409440, 6423710, 10277936, 10818880, 12847420, 20555872, 25694840, 41111744, 51389680, 102779360, 205558720]

約数ペア:

[(1, 205558720), (2, 102779360), (4, 51389680), (5, 41111744), (8, 25694840), (10, 20555872), (16, 12847420), (19, 10818880), (20, 10277936), (32, 6423710), (38, 5409440), (40, 5138968), (64, 3211855), (76, 2704720), (80, 2569484), (95, 2163776), (152, 1352360), (160, 1284742), (190, 1081888), (304, 676180), (320, 642371), (380, 540944), (608, 338090), (760, 270472), (1216, 169045), (1520, 135236), (3040, 67618), (6080, 33809)]