1922578120

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{117517}}^1$

素因数の和:117937

約数の個数: 32

約数和(自身を含む): 4336414200

約数和(自身を除く): 2413836080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 16360, 117517, 235034, 470068, 587585, 940136, 1175170, 2350340, 4700680, 48064453, 96128906, 192257812, 240322265, 384515624, 480644530, 961289060, 1922578120]

約数ペア:

[(1, 1922578120), (2, 961289060), (4, 480644530), (5, 384515624), (8, 240322265), (10, 192257812), (20, 96128906), (40, 48064453), (409, 4700680), (818, 2350340), (1636, 1175170), (2045, 940136), (3272, 587585), (4090, 470068), (8180, 235034), (16360, 117517)]