12506540120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1918181}}^1$

素因数の和:1918355

約数の個数: 32

約数和(自身を含む): 28312366320

約数和(自身を除く): 15805826200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 1918181, 3836362, 7672724, 9590905, 15345448, 19181810, 38363620, 76727240, 312663503, 625327006, 1250654012, 1563317515, 2501308024, 3126635030, 6253270060, 12506540120]

約数ペア:

[(1, 12506540120), (2, 6253270060), (4, 3126635030), (5, 2501308024), (8, 1563317515), (10, 1250654012), (20, 625327006), (40, 312663503), (163, 76727240), (326, 38363620), (652, 19181810), (815, 15345448), (1304, 9590905), (1630, 7672724), (3260, 3836362), (6520, 1918181)]