84788840

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{5059}}^1$

素因数の和:5489

約数の個数: 32

約数和(自身を含む): 191268000

約数和(自身を除く): 106479160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 5059, 8380, 10118, 16760, 20236, 25295, 40472, 50590, 101180, 202360, 2119721, 4239442, 8478884, 10598605, 16957768, 21197210, 42394420, 84788840]

約数ペア:

[(1, 84788840), (2, 42394420), (4, 21197210), (5, 16957768), (8, 10598605), (10, 8478884), (20, 4239442), (40, 2119721), (419, 202360), (838, 101180), (1676, 50590), (2095, 40472), (3352, 25295), (4190, 20236), (5059, 16760), (8380, 10118)]