28579880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102071}}^1$

素因数の和:102089

約数の個数: 32

約数和(自身を含む): 73491840

約数和(自身を除く): 44911960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102071, 204142, 408284, 510355, 714497, 816568, 1020710, 1428994, 2041420, 2857988, 3572485, 4082840, 5715976, 7144970, 14289940, 28579880]

約数ペア:

[(1, 28579880), (2, 14289940), (4, 7144970), (5, 5715976), (7, 4082840), (8, 3572485), (10, 2857988), (14, 2041420), (20, 1428994), (28, 1020710), (35, 816568), (40, 714497), (56, 510355), (70, 408284), (140, 204142), (280, 102071)]