4912520

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 11128320

約数和(自身を除く): 6215800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 643, 764, 955, 1286, 1528, 1910, 2572, 3215, 3820, 5144, 6430, 7640, 12860, 25720, 122813, 245626, 491252, 614065, 982504, 1228130, 2456260, 4912520]

約数ペア:

[(1, 4912520), (2, 2456260), (4, 1228130), (5, 982504), (8, 614065), (10, 491252), (20, 245626), (40, 122813), (191, 25720), (382, 12860), (643, 7640), (764, 6430), (955, 5144), (1286, 3820), (1528, 3215), (1910, 2572)]