2080388528

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{18493}}^1$

素因数の和:18669

約数の個数: 40

約数和(自身を含む): 4127860800

約数和(自身を除く): 2047472272

約数列:

[1, 2, 4, 8, 16, 79, 89, 158, 178, 316, 356, 632, 712, 1264, 1424, 7031, 14062, 18493, 28124, 36986, 56248, 73972, 112496, 147944, 295888, 1460947, 1645877, 2921894, 3291754, 5843788, 6583508, 11687576, 13167016, 23375152, 26334032, 130024283, 260048566, 520097132, 1040194264, 2080388528]

約数ペア:

[(1, 2080388528), (2, 1040194264), (4, 520097132), (8, 260048566), (16, 130024283), (79, 26334032), (89, 23375152), (158, 13167016), (178, 11687576), (316, 6583508), (356, 5843788), (632, 3291754), (712, 2921894), (1264, 1645877), (1424, 1460947), (7031, 295888), (14062, 147944), (18493, 112496), (28124, 73972), (36986, 56248)]