2509208.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12821}}^1$

素因数の和:12995

約数の個数: 32

約数和(自身を含む): 189252720

約数和(自身を除く): 105659800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 12821, 25642, 51284, 64105, 102568, 128210, 256420, 512840, 2089823, 4179646, 8359292, 10449115, 16718584, 20898230, 41796460, 83592920]

約数ペア:

[(1, 83592920), (2, 41796460), (4, 20898230), (5, 16718584), (8, 10449115), (10, 8359292), (20, 4179646), (40, 2089823), (163, 512840), (326, 256420), (652, 128210), (815, 102568), (1304, 64105), (1630, 51284), (3260, 25642), (6520, 12821)]