40398160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1583}}^1$

素因数の和:1636

約数の個数: 80

約数和(自身を含む): 106064640

約数和(自身を除く): 65666480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1583, 1595, 2320, 2552, 3166, 3190, 5104, 6332, 6380, 7915, 12664, 12760, 15830, 17413, 25328, 25520, 31660, 34826, 45907, 63320, 69652, 87065, 91814, 126640, 139304, 174130, 183628, 229535, 278608, 348260, 367256, 459070, 504977, 696520, 734512, 918140, 1009954, 1393040, 1836280, 2019908, 2524885, 3672560, 4039816, 5049770, 8079632, 10099540, 20199080, 40398160]

約数ペア:

[(1, 40398160), (2, 20199080), (4, 10099540), (5, 8079632), (8, 5049770), (10, 4039816), (11, 3672560), (16, 2524885), (20, 2019908), (22, 1836280), (29, 1393040), (40, 1009954), (44, 918140), (55, 734512), (58, 696520), (80, 504977), (88, 459070), (110, 367256), (116, 348260), (145, 278608), (176, 229535), (220, 183628), (232, 174130), (290, 139304), (319, 126640), (440, 91814), (464, 87065), (580, 69652), (638, 63320), (880, 45907), (1160, 34826), (1276, 31660), (1583, 25520), (1595, 25328), (2320, 17413), (2552, 15830), (3166, 12760), (3190, 12664), (5104, 7915), (6332, 6380)]