79420040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3187}}^1$

素因数の和:3294

約数の個数: 64

約数和(自身を含む): 206582400

約数和(自身を除く): 127162360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3187, 3560, 4984, 6230, 6374, 12460, 12748, 15935, 22309, 24920, 25496, 31870, 44618, 63740, 89236, 111545, 127480, 178472, 223090, 283643, 446180, 567286, 892360, 1134572, 1418215, 1985501, 2269144, 2836430, 3971002, 5672860, 7942004, 9927505, 11345720, 15884008, 19855010, 39710020, 79420040]

約数ペア:

[(1, 79420040), (2, 39710020), (4, 19855010), (5, 15884008), (7, 11345720), (8, 9927505), (10, 7942004), (14, 5672860), (20, 3971002), (28, 2836430), (35, 2269144), (40, 1985501), (56, 1418215), (70, 1134572), (89, 892360), (140, 567286), (178, 446180), (280, 283643), (356, 223090), (445, 178472), (623, 127480), (712, 111545), (890, 89236), (1246, 63740), (1780, 44618), (2492, 31870), (3115, 25496), (3187, 24920), (3560, 22309), (4984, 15935), (6230, 12748), (6374, 12460)]