90569920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{40433}}^1$

素因数の和:40457

約数の個数: 56

約数和(自身を含む): 246485664

約数和(自身を除く): 155915744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 40433, 80866, 161732, 202165, 283031, 323464, 404330, 566062, 646928, 808660, 1132124, 1293856, 1415155, 1617320, 2264248, 2587712, 2830310, 3234640, 4528496, 5660620, 6469280, 9056992, 11321240, 12938560, 18113984, 22642480, 45284960, 90569920]

約数ペア:

[(1, 90569920), (2, 45284960), (4, 22642480), (5, 18113984), (7, 12938560), (8, 11321240), (10, 9056992), (14, 6469280), (16, 5660620), (20, 4528496), (28, 3234640), (32, 2830310), (35, 2587712), (40, 2264248), (56, 1617320), (64, 1415155), (70, 1293856), (80, 1132124), (112, 808660), (140, 646928), (160, 566062), (224, 404330), (280, 323464), (320, 283031), (448, 202165), (560, 161732), (1120, 80866), (2240, 40433)]