42507920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5839}}^1$

素因数の和:5872

約数の個数: 80

約数和(自身を含む): 121658880

約数和(自身を除く): 79150960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 5839, 7280, 11678, 23356, 29195, 40873, 46712, 58390, 75907, 81746, 93424, 116780, 151814, 163492, 204365, 233560, 303628, 326984, 379535, 408730, 467120, 531349, 607256, 653968, 759070, 817460, 1062698, 1214512, 1518140, 1634920, 2125396, 2656745, 3036280, 3269840, 4250792, 5313490, 6072560, 8501584, 10626980, 21253960, 42507920]

約数ペア:

[(1, 42507920), (2, 21253960), (4, 10626980), (5, 8501584), (7, 6072560), (8, 5313490), (10, 4250792), (13, 3269840), (14, 3036280), (16, 2656745), (20, 2125396), (26, 1634920), (28, 1518140), (35, 1214512), (40, 1062698), (52, 817460), (56, 759070), (65, 653968), (70, 607256), (80, 531349), (91, 467120), (104, 408730), (112, 379535), (130, 326984), (140, 303628), (182, 233560), (208, 204365), (260, 163492), (280, 151814), (364, 116780), (455, 93424), (520, 81746), (560, 75907), (728, 58390), (910, 46712), (1040, 40873), (1456, 29195), (1820, 23356), (3640, 11678), (5839, 7280)]