39009520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 100181088

約数和(自身を除く): 61171568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 388, 440, 457, 485, 776, 880, 914, 970, 1067, 1552, 1828, 1940, 2134, 2285, 3656, 3880, 4268, 4570, 5027, 5335, 7312, 7760, 8536, 9140, 10054, 10670, 17072, 18280, 20108, 21340, 25135, 36560, 40216, 42680, 44329, 50270, 80432, 85360, 88658, 100540, 177316, 201080, 221645, 354632, 402160, 443290, 487619, 709264, 886580, 975238, 1773160, 1950476, 2438095, 3546320, 3900952, 4876190, 7801904, 9752380, 19504760, 39009520]

約数ペア:

[(1, 39009520), (2, 19504760), (4, 9752380), (5, 7801904), (8, 4876190), (10, 3900952), (11, 3546320), (16, 2438095), (20, 1950476), (22, 1773160), (40, 975238), (44, 886580), (55, 709264), (80, 487619), (88, 443290), (97, 402160), (110, 354632), (176, 221645), (194, 201080), (220, 177316), (388, 100540), (440, 88658), (457, 85360), (485, 80432), (776, 50270), (880, 44329), (914, 42680), (970, 40216), (1067, 36560), (1552, 25135), (1828, 21340), (1940, 20108), (2134, 18280), (2285, 17072), (3656, 10670), (3880, 10054), (4268, 9140), (4570, 8536), (5027, 7760), (5335, 7312)]