809680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 1953000

約数和(自身を除く): 1143320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 349, 464, 580, 698, 1160, 1396, 1745, 2320, 2792, 3490, 5584, 6980, 10121, 13960, 20242, 27920, 40484, 50605, 80968, 101210, 161936, 202420, 404840, 809680]

約数ペア:

[(1, 809680), (2, 404840), (4, 202420), (5, 161936), (8, 101210), (10, 80968), (16, 50605), (20, 40484), (29, 27920), (40, 20242), (58, 13960), (80, 10121), (116, 6980), (145, 5584), (232, 3490), (290, 2792), (349, 2320), (464, 1745), (580, 1396), (698, 1160)]