39727520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:550

約数の個数: 96

約数和(自身を含む): 108864000

約数和(自身を除く): 69136480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 395, 449, 553, 560, 632, 790, 898, 1106, 1120, 1264, 1580, 1796, 2212, 2245, 2528, 2765, 3143, 3160, 3592, 4424, 4490, 5530, 6286, 6320, 7184, 8848, 8980, 11060, 12572, 12640, 14368, 15715, 17696, 17960, 22120, 25144, 31430, 35471, 35920, 44240, 50288, 62860, 70942, 71840, 88480, 100576, 125720, 141884, 177355, 248297, 251440, 283768, 354710, 496594, 502880, 567536, 709420, 993188, 1135072, 1241485, 1418840, 1986376, 2482970, 2837680, 3972752, 4965940, 5675360, 7945504, 9931880, 19863760, 39727520]

約数ペア:

[(1, 39727520), (2, 19863760), (4, 9931880), (5, 7945504), (7, 5675360), (8, 4965940), (10, 3972752), (14, 2837680), (16, 2482970), (20, 1986376), (28, 1418840), (32, 1241485), (35, 1135072), (40, 993188), (56, 709420), (70, 567536), (79, 502880), (80, 496594), (112, 354710), (140, 283768), (158, 251440), (160, 248297), (224, 177355), (280, 141884), (316, 125720), (395, 100576), (449, 88480), (553, 71840), (560, 70942), (632, 62860), (790, 50288), (898, 44240), (1106, 35920), (1120, 35471), (1264, 31430), (1580, 25144), (1796, 22120), (2212, 17960), (2245, 17696), (2528, 15715), (2765, 14368), (3143, 12640), (3160, 12572), (3592, 11060), (4424, 8980), (4490, 8848), (5530, 7184), (6286, 6320)]