3969940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15269}}^1$

素因数の和:15291

約数の個数: 24

約数和(自身を含む): 8978760

約数和(自身を除く): 5008820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 15269, 30538, 61076, 76345, 152690, 198497, 305380, 396994, 793988, 992485, 1984970, 3969940]

約数ペア:

[(1, 3969940), (2, 1984970), (4, 992485), (5, 793988), (10, 396994), (13, 305380), (20, 198497), (26, 152690), (52, 76345), (65, 61076), (130, 30538), (260, 15269)]