28203560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9157}}^1$

素因数の和:9186

約数の個数: 64

約数和(自身を含む): 79125120

約数和(自身を除く): 50921560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9157, 18314, 36628, 45785, 64099, 73256, 91570, 100727, 128198, 183140, 201454, 256396, 320495, 366280, 402908, 503635, 512792, 640990, 705089, 805816, 1007270, 1281980, 1410178, 2014540, 2563960, 2820356, 3525445, 4029080, 5640712, 7050890, 14101780, 28203560]

約数ペア:

[(1, 28203560), (2, 14101780), (4, 7050890), (5, 5640712), (7, 4029080), (8, 3525445), (10, 2820356), (11, 2563960), (14, 2014540), (20, 1410178), (22, 1281980), (28, 1007270), (35, 805816), (40, 705089), (44, 640990), (55, 512792), (56, 503635), (70, 402908), (77, 366280), (88, 320495), (110, 256396), (140, 201454), (154, 183140), (220, 128198), (280, 100727), (308, 91570), (385, 73256), (440, 64099), (616, 45785), (770, 36628), (1540, 18314), (3080, 9157)]