40221440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{67}}^2$

素因数の和:162

約数の個数: 108

約数和(自身を含む): 111774096

約数和(自身を除く): 71552656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 67, 70, 80, 112, 128, 134, 140, 160, 224, 256, 268, 280, 320, 335, 448, 469, 536, 560, 640, 670, 896, 938, 1072, 1120, 1280, 1340, 1792, 1876, 2144, 2240, 2345, 2680, 3752, 4288, 4480, 4489, 4690, 5360, 7504, 8576, 8960, 8978, 9380, 10720, 15008, 17152, 17956, 18760, 21440, 22445, 30016, 31423, 35912, 37520, 42880, 44890, 60032, 62846, 71824, 75040, 85760, 89780, 120064, 125692, 143648, 150080, 157115, 179560, 251384, 287296, 300160, 314230, 359120, 502768, 574592, 600320, 628460, 718240, 1005536, 1149184, 1256920, 1436480, 2011072, 2513840, 2872960, 4022144, 5027680, 5745920, 8044288, 10055360, 20110720, 40221440]

約数ペア:

[(1, 40221440), (2, 20110720), (4, 10055360), (5, 8044288), (7, 5745920), (8, 5027680), (10, 4022144), (14, 2872960), (16, 2513840), (20, 2011072), (28, 1436480), (32, 1256920), (35, 1149184), (40, 1005536), (56, 718240), (64, 628460), (67, 600320), (70, 574592), (80, 502768), (112, 359120), (128, 314230), (134, 300160), (140, 287296), (160, 251384), (224, 179560), (256, 157115), (268, 150080), (280, 143648), (320, 125692), (335, 120064), (448, 89780), (469, 85760), (536, 75040), (560, 71824), (640, 62846), (670, 60032), (896, 44890), (938, 42880), (1072, 37520), (1120, 35912), (1280, 31423), (1340, 30016), (1792, 22445), (1876, 21440), (2144, 18760), (2240, 17956), (2345, 17152), (2680, 15008), (3752, 10720), (4288, 9380), (4480, 8978), (4489, 8960), (4690, 8576), (5360, 7504)]