28495880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101771}}^1$

素因数の和:101789

約数の個数: 32

約数和(自身を含む): 73275840

約数和(自身を除く): 44779960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101771, 203542, 407084, 508855, 712397, 814168, 1017710, 1424794, 2035420, 2849588, 3561985, 4070840, 5699176, 7123970, 14247940, 28495880]

約数ペア:

[(1, 28495880), (2, 14247940), (4, 7123970), (5, 5699176), (7, 4070840), (8, 3561985), (10, 2849588), (14, 2035420), (20, 1424794), (28, 1017710), (35, 814168), (40, 712397), (56, 508855), (70, 407084), (140, 203542), (280, 101771)]