56445440

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1297}}^1$

素因数の和:1337

約数の個数: 80

約数和(自身を含む): 143408232

約数和(自身を除く): 86962792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1297, 1360, 2176, 2560, 2594, 2720, 4352, 5188, 5440, 6485, 8704, 10376, 10880, 12970, 20752, 21760, 22049, 25940, 41504, 43520, 44098, 51880, 83008, 88196, 103760, 110245, 166016, 176392, 207520, 220490, 332032, 352784, 415040, 440980, 664064, 705568, 830080, 881960, 1411136, 1660160, 1763920, 2822272, 3320320, 3527840, 5644544, 7055680, 11289088, 14111360, 28222720, 56445440]

約数ペア:

[(1, 56445440), (2, 28222720), (4, 14111360), (5, 11289088), (8, 7055680), (10, 5644544), (16, 3527840), (17, 3320320), (20, 2822272), (32, 1763920), (34, 1660160), (40, 1411136), (64, 881960), (68, 830080), (80, 705568), (85, 664064), (128, 440980), (136, 415040), (160, 352784), (170, 332032), (256, 220490), (272, 207520), (320, 176392), (340, 166016), (512, 110245), (544, 103760), (640, 88196), (680, 83008), (1088, 51880), (1280, 44098), (1297, 43520), (1360, 41504), (2176, 25940), (2560, 22049), (2594, 21760), (2720, 20752), (4352, 12970), (5188, 10880), (5440, 10376), (6485, 8704)]