42203920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 108028800

約数和(自身を除く): 65824880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 199, 220, 241, 398, 440, 482, 796, 880, 964, 995, 1205, 1592, 1928, 1990, 2189, 2410, 2651, 3184, 3856, 3980, 4378, 4820, 5302, 7960, 8756, 9640, 10604, 10945, 13255, 15920, 17512, 19280, 21208, 21890, 26510, 35024, 42416, 43780, 47959, 53020, 87560, 95918, 106040, 175120, 191836, 212080, 239795, 383672, 479590, 527549, 767344, 959180, 1055098, 1918360, 2110196, 2637745, 3836720, 4220392, 5275490, 8440784, 10550980, 21101960, 42203920]

約数ペア:

[(1, 42203920), (2, 21101960), (4, 10550980), (5, 8440784), (8, 5275490), (10, 4220392), (11, 3836720), (16, 2637745), (20, 2110196), (22, 1918360), (40, 1055098), (44, 959180), (55, 767344), (80, 527549), (88, 479590), (110, 383672), (176, 239795), (199, 212080), (220, 191836), (241, 175120), (398, 106040), (440, 95918), (482, 87560), (796, 53020), (880, 47959), (964, 43780), (995, 42416), (1205, 35024), (1592, 26510), (1928, 21890), (1990, 21208), (2189, 19280), (2410, 17512), (2651, 15920), (3184, 13255), (3856, 10945), (3980, 10604), (4378, 9640), (4820, 8756), (5302, 7960)]