4912240

素因数分解:

$2^4\times 5^1\times {\mathrm{61403}}^1$

素因数の和:61416

約数の個数: 20

約数和(自身を含む): 11421144

約数和(自身を除く): 6508904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 61403, 122806, 245612, 307015, 491224, 614030, 982448, 1228060, 2456120, 4912240]

約数ペア:

[(1, 4912240), (2, 2456120), (4, 1228060), (5, 982448), (8, 614030), (10, 491224), (16, 307015), (20, 245612), (40, 122806), (80, 61403)]