13495040

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 34854288

約数和(自身を除く): 21359248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 811, 832, 1040, 1280, 1622, 1664, 2080, 3244, 3328, 4055, 4160, 6488, 8110, 8320, 10543, 12976, 16220, 16640, 21086, 25952, 32440, 42172, 51904, 52715, 64880, 84344, 103808, 105430, 129760, 168688, 207616, 210860, 259520, 337376, 421720, 519040, 674752, 843440, 1038080, 1349504, 1686880, 2699008, 3373760, 6747520, 13495040]

約数ペア:

[(1, 13495040), (2, 6747520), (4, 3373760), (5, 2699008), (8, 1686880), (10, 1349504), (13, 1038080), (16, 843440), (20, 674752), (26, 519040), (32, 421720), (40, 337376), (52, 259520), (64, 210860), (65, 207616), (80, 168688), (104, 129760), (128, 105430), (130, 103808), (160, 84344), (208, 64880), (256, 52715), (260, 51904), (320, 42172), (416, 32440), (520, 25952), (640, 21086), (811, 16640), (832, 16220), (1040, 12976), (1280, 10543), (1622, 8320), (1664, 8110), (2080, 6488), (3244, 4160), (3328, 4055)]