89405840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 217954800

約数和(自身を除く): 128548960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 89, 116, 145, 178, 232, 290, 356, 433, 445, 464, 580, 712, 866, 890, 1160, 1424, 1732, 1780, 2165, 2320, 2581, 3464, 3560, 4330, 5162, 6928, 7120, 8660, 10324, 12557, 12905, 17320, 20648, 25114, 25810, 34640, 38537, 41296, 50228, 51620, 62785, 77074, 100456, 103240, 125570, 154148, 192685, 200912, 206480, 251140, 308296, 385370, 502280, 616592, 770740, 1004560, 1117573, 1541480, 2235146, 3082960, 4470292, 5587865, 8940584, 11175730, 17881168, 22351460, 44702920, 89405840]

約数ペア:

[(1, 89405840), (2, 44702920), (4, 22351460), (5, 17881168), (8, 11175730), (10, 8940584), (16, 5587865), (20, 4470292), (29, 3082960), (40, 2235146), (58, 1541480), (80, 1117573), (89, 1004560), (116, 770740), (145, 616592), (178, 502280), (232, 385370), (290, 308296), (356, 251140), (433, 206480), (445, 200912), (464, 192685), (580, 154148), (712, 125570), (866, 103240), (890, 100456), (1160, 77074), (1424, 62785), (1732, 51620), (1780, 50228), (2165, 41296), (2320, 38537), (2581, 34640), (3464, 25810), (3560, 25114), (4330, 20648), (5162, 17320), (6928, 12905), (7120, 12557), (8660, 10324)]