520057840

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89051}}^1$

素因数の和:89137

約数の個数: 40

約数和(自身を含む): 1225711728

約数和(自身を除く): 705653888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 89051, 178102, 356204, 445255, 712408, 890510, 1424816, 1781020, 3562040, 6500723, 7124080, 13001446, 26002892, 32503615, 52005784, 65007230, 104011568, 130014460, 260028920, 520057840]

約数ペア:

[(1, 520057840), (2, 260028920), (4, 130014460), (5, 104011568), (8, 65007230), (10, 52005784), (16, 32503615), (20, 26002892), (40, 13001446), (73, 7124080), (80, 6500723), (146, 3562040), (292, 1781020), (365, 1424816), (584, 890510), (730, 712408), (1168, 445255), (1460, 356204), (2920, 178102), (5840, 89051)]