80225740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1153}}^1$

素因数の和:1247

約数の個数: 72

約数和(自身を含む): 198912672

約数和(自身を除く): 118686932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1153, 1420, 1988, 2306, 2485, 3479, 4612, 4970, 5765, 6958, 8071, 9940, 11530, 13916, 16142, 17395, 23060, 32284, 34790, 40355, 56497, 69580, 80710, 81863, 112994, 161420, 163726, 225988, 282485, 327452, 409315, 564970, 573041, 818630, 1129940, 1146082, 1637260, 2292164, 2865205, 4011287, 5730410, 8022574, 11460820, 16045148, 20056435, 40112870, 80225740]

約数ペア:

[(1, 80225740), (2, 40112870), (4, 20056435), (5, 16045148), (7, 11460820), (10, 8022574), (14, 5730410), (20, 4011287), (28, 2865205), (35, 2292164), (49, 1637260), (70, 1146082), (71, 1129940), (98, 818630), (140, 573041), (142, 564970), (196, 409315), (245, 327452), (284, 282485), (355, 225988), (490, 163726), (497, 161420), (710, 112994), (980, 81863), (994, 80710), (1153, 69580), (1420, 56497), (1988, 40355), (2306, 34790), (2485, 32284), (3479, 23060), (4612, 17395), (4970, 16142), (5765, 13916), (6958, 11530), (8071, 9940)]