520089640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{3253}}^1$

素因数の和:3842

約数の個数: 64

約数和(自身を含む): 1340127360

約数和(自身を除く): 820037720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 571, 1142, 2284, 2855, 3253, 3997, 4568, 5710, 6506, 7994, 11420, 13012, 15988, 16265, 19985, 22771, 22840, 26024, 31976, 32530, 39970, 45542, 65060, 79940, 91084, 113855, 130120, 159880, 182168, 227710, 455420, 910840, 1857463, 3714926, 7429852, 9287315, 13002241, 14859704, 18574630, 26004482, 37149260, 52008964, 65011205, 74298520, 104017928, 130022410, 260044820, 520089640]

約数ペア:

[(1, 520089640), (2, 260044820), (4, 130022410), (5, 104017928), (7, 74298520), (8, 65011205), (10, 52008964), (14, 37149260), (20, 26004482), (28, 18574630), (35, 14859704), (40, 13002241), (56, 9287315), (70, 7429852), (140, 3714926), (280, 1857463), (571, 910840), (1142, 455420), (2284, 227710), (2855, 182168), (3253, 159880), (3997, 130120), (4568, 113855), (5710, 91084), (6506, 79940), (7994, 65060), (11420, 45542), (13012, 39970), (15988, 32530), (16265, 31976), (19985, 26024), (22771, 22840)]