28579540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3511}}^1$

素因数の和:3568

約数の個数: 48

約数和(自身を含む): 67261824

約数和(自身を除く): 38682284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 3511, 4070, 7022, 8140, 14044, 17555, 35110, 38621, 70220, 77242, 129907, 154484, 193105, 259814, 386210, 519628, 649535, 772420, 1299070, 1428977, 2598140, 2857954, 5715908, 7144885, 14289770, 28579540]

約数ペア:

[(1, 28579540), (2, 14289770), (4, 7144885), (5, 5715908), (10, 2857954), (11, 2598140), (20, 1428977), (22, 1299070), (37, 772420), (44, 649535), (55, 519628), (74, 386210), (110, 259814), (148, 193105), (185, 154484), (220, 129907), (370, 77242), (407, 70220), (740, 38621), (814, 35110), (1628, 17555), (2035, 14044), (3511, 8140), (4070, 7022)]