17995520

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{827}}^1$

素因数の和:865

約数の個数: 72

約数和(自身を含む): 45695664

約数和(自身を除く): 27700144

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, 827, 1088, 1280, 1360, 1654, 2176, 2720, 3308, 4135, 4352, 5440, 6616, 8270, 10880, 13232, 14059, 16540, 21760, 26464, 28118, 33080, 52928, 56236, 66160, 70295, 105856, 112472, 132320, 140590, 211712, 224944, 264640, 281180, 449888, 529280, 562360, 899776, 1058560, 1124720, 1799552, 2249440, 3599104, 4498880, 8997760, 17995520]

約数ペア:

[(1, 17995520), (2, 8997760), (4, 4498880), (5, 3599104), (8, 2249440), (10, 1799552), (16, 1124720), (17, 1058560), (20, 899776), (32, 562360), (34, 529280), (40, 449888), (64, 281180), (68, 264640), (80, 224944), (85, 211712), (128, 140590), (136, 132320), (160, 112472), (170, 105856), (256, 70295), (272, 66160), (320, 56236), (340, 52928), (544, 33080), (640, 28118), (680, 26464), (827, 21760), (1088, 16540), (1280, 14059), (1360, 13232), (1654, 10880), (2176, 8270), (2720, 6616), (3308, 5440), (4135, 4352)]