2215696880

素因数分解:

$2^4\times 5^1\times {\mathrm{27696211}}^1$

素因数の和:27696224

約数の個数: 20

約数和(自身を含む): 5151495432

約数和(自身を除く): 2935798552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27696211, 55392422, 110784844, 138481055, 221569688, 276962110, 443139376, 553924220, 1107848440, 2215696880]

約数ペア:

[(1, 2215696880), (2, 1107848440), (4, 553924220), (5, 443139376), (8, 276962110), (10, 221569688), (16, 138481055), (20, 110784844), (40, 55392422), (80, 27696211)]