40248320

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{1123}}^1$

素因数の和:1155

約数の個数: 88

約数和(自身を含む): 110439744

約数和(自身を除く): 70191424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1123, 1280, 1792, 2240, 2246, 2560, 3584, 4480, 4492, 5120, 5615, 7168, 7861, 8960, 8984, 11230, 15722, 17920, 17968, 22460, 31444, 35840, 35936, 39305, 44920, 62888, 71872, 78610, 89840, 125776, 143744, 157220, 179680, 251552, 287488, 314440, 359360, 503104, 574976, 628880, 718720, 1006208, 1149952, 1257760, 1437440, 2012416, 2515520, 2874880, 4024832, 5031040, 5749760, 8049664, 10062080, 20124160, 40248320]

約数ペア:

[(1, 40248320), (2, 20124160), (4, 10062080), (5, 8049664), (7, 5749760), (8, 5031040), (10, 4024832), (14, 2874880), (16, 2515520), (20, 2012416), (28, 1437440), (32, 1257760), (35, 1149952), (40, 1006208), (56, 718720), (64, 628880), (70, 574976), (80, 503104), (112, 359360), (128, 314440), (140, 287488), (160, 251552), (224, 179680), (256, 157220), (280, 143744), (320, 125776), (448, 89840), (512, 78610), (560, 71872), (640, 62888), (896, 44920), (1024, 39305), (1120, 35936), (1123, 35840), (1280, 31444), (1792, 22460), (2240, 17968), (2246, 17920), (2560, 15722), (3584, 11230), (4480, 8984), (4492, 8960), (5120, 7861), (5615, 7168)]