506181320

素因数分解:

$2^3\times 5^1\times {\mathrm{2389}}^1\times {\mathrm{5297}}^1$

素因数の和:7697

約数の個数: 32

約数和(自身を含む): 1139599800

約数和(自身を除く): 633418480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2389, 4778, 5297, 9556, 10594, 11945, 19112, 21188, 23890, 26485, 42376, 47780, 52970, 95560, 105940, 211880, 12654533, 25309066, 50618132, 63272665, 101236264, 126545330, 253090660, 506181320]

約数ペア:

[(1, 506181320), (2, 253090660), (4, 126545330), (5, 101236264), (8, 63272665), (10, 50618132), (20, 25309066), (40, 12654533), (2389, 211880), (4778, 105940), (5297, 95560), (9556, 52970), (10594, 47780), (11945, 42376), (19112, 26485), (21188, 23890)]