56771840

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2609}}^1$

素因数の和:2647

約数の個数: 72

約数和(自身を含む): 144040680

約数和(自身を除く): 87268840

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, 544, 640, 680, 1088, 1280, 1360, 2176, 2609, 2720, 4352, 5218, 5440, 10436, 10880, 13045, 20872, 21760, 26090, 41744, 44353, 52180, 83488, 88706, 104360, 166976, 177412, 208720, 221765, 333952, 354824, 417440, 443530, 667904, 709648, 834880, 887060, 1419296, 1669760, 1774120, 2838592, 3339520, 3548240, 5677184, 7096480, 11354368, 14192960, 28385920, 56771840]

約数ペア:

[(1, 56771840), (2, 28385920), (4, 14192960), (5, 11354368), (8, 7096480), (10, 5677184), (16, 3548240), (17, 3339520), (20, 2838592), (32, 1774120), (34, 1669760), (40, 1419296), (64, 887060), (68, 834880), (80, 709648), (85, 667904), (128, 443530), (136, 417440), (160, 354824), (170, 333952), (256, 221765), (272, 208720), (320, 177412), (340, 166976), (544, 104360), (640, 88706), (680, 83488), (1088, 52180), (1280, 44353), (1360, 41744), (2176, 26090), (2609, 21760), (2720, 20872), (4352, 13045), (5218, 10880), (5440, 10436)]