511040080

素因数分解:

$2^4\times 5^1\times {\mathrm{907}}^1\times {\mathrm{7043}}^1$

素因数の和:7963

約数の個数: 40

約数和(自身を含む): 1189647072

約数和(自身を除く): 678606992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 907, 1814, 3628, 4535, 7043, 7256, 9070, 14086, 14512, 18140, 28172, 35215, 36280, 56344, 70430, 72560, 112688, 140860, 281720, 563440, 6388001, 12776002, 25552004, 31940005, 51104008, 63880010, 102208016, 127760020, 255520040, 511040080]

約数ペア:

[(1, 511040080), (2, 255520040), (4, 127760020), (5, 102208016), (8, 63880010), (10, 51104008), (16, 31940005), (20, 25552004), (40, 12776002), (80, 6388001), (907, 563440), (1814, 281720), (3628, 140860), (4535, 112688), (7043, 72560), (7256, 70430), (9070, 56344), (14086, 36280), (14512, 35215), (18140, 28172)]