39219880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{140071}}^1$

素因数の和:140089

約数の個数: 32

約数和(自身を含む): 100851840

約数和(自身を除く): 61631960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 140071, 280142, 560284, 700355, 980497, 1120568, 1400710, 1960994, 2801420, 3921988, 4902485, 5602840, 7843976, 9804970, 19609940, 39219880]

約数ペア:

[(1, 39219880), (2, 19609940), (4, 9804970), (5, 7843976), (7, 5602840), (8, 4902485), (10, 3921988), (14, 2801420), (20, 1960994), (28, 1400710), (35, 1120568), (40, 980497), (56, 700355), (70, 560284), (140, 280142), (280, 140071)]