28872228560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51557551}}^1$

素因数の和:51557571

約数の個数: 40

約数和(自身を含む): 76717637376

約数和(自身を除く): 47845408816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51557551, 103115102, 206230204, 257787755, 360902857, 412460408, 515575510, 721805714, 824920816, 1031151020, 1443611428, 1804514285, 2062302040, 2887222856, 3609028570, 4124604080, 5774445712, 7218057140, 14436114280, 28872228560]

約数ペア:

[(1, 28872228560), (2, 14436114280), (4, 7218057140), (5, 5774445712), (7, 4124604080), (8, 3609028570), (10, 2887222856), (14, 2062302040), (16, 1804514285), (20, 1443611428), (28, 1031151020), (35, 824920816), (40, 721805714), (56, 515575510), (70, 412460408), (80, 360902857), (112, 257787755), (140, 206230204), (280, 103115102), (560, 51557551)]