38799880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{138571}}^1$

素因数の和:138589

約数の個数: 32

約数和(自身を含む): 99771840

約数和(自身を除く): 60971960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 138571, 277142, 554284, 692855, 969997, 1108568, 1385710, 1939994, 2771420, 3879988, 4849985, 5542840, 7759976, 9699970, 19399940, 38799880]

約数ペア:

[(1, 38799880), (2, 19399940), (4, 9699970), (5, 7759976), (7, 5542840), (8, 4849985), (10, 3879988), (14, 2771420), (20, 1939994), (28, 1385710), (35, 1108568), (40, 969997), (56, 692855), (70, 554284), (140, 277142), (280, 138571)]