64727380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{104399}}^1$

素因数の和:104439

約数の個数: 24

約数和(自身を含む): 140313600

約数和(自身を除く): 75586220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 104399, 208798, 417596, 521995, 1043990, 2087980, 3236369, 6472738, 12945476, 16181845, 32363690, 64727380]

約数ペア:

[(1, 64727380), (2, 32363690), (4, 16181845), (5, 12945476), (10, 6472738), (20, 3236369), (31, 2087980), (62, 1043990), (124, 521995), (155, 417596), (310, 208798), (620, 104399)]