49120880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6899}}^1$

素因数の和:7001

約数の個数: 40

約数和(自身を含む): 115506000

約数和(自身を除く): 66385120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 6899, 7120, 13798, 27596, 34495, 55192, 68990, 110384, 137980, 275960, 551920, 614011, 1228022, 2456044, 3070055, 4912088, 6140110, 9824176, 12280220, 24560440, 49120880]

約数ペア:

[(1, 49120880), (2, 24560440), (4, 12280220), (5, 9824176), (8, 6140110), (10, 4912088), (16, 3070055), (20, 2456044), (40, 1228022), (80, 614011), (89, 551920), (178, 275960), (356, 137980), (445, 110384), (712, 68990), (890, 55192), (1424, 34495), (1780, 27596), (3560, 13798), (6899, 7120)]