25665020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 55520640

約数和(自身を除く): 29855620

約数列:

[1, 2, 4, 5, 10, 20, 67, 107, 134, 179, 214, 268, 335, 358, 428, 535, 670, 716, 895, 1070, 1340, 1790, 2140, 3580, 7169, 11993, 14338, 19153, 23986, 28676, 35845, 38306, 47972, 59965, 71690, 76612, 95765, 119930, 143380, 191530, 239860, 383060, 1283251, 2566502, 5133004, 6416255, 12832510, 25665020]

約数ペア:

[(1, 25665020), (2, 12832510), (4, 6416255), (5, 5133004), (10, 2566502), (20, 1283251), (67, 383060), (107, 239860), (134, 191530), (179, 143380), (214, 119930), (268, 95765), (335, 76612), (358, 71690), (428, 59965), (535, 47972), (670, 38306), (716, 35845), (895, 28676), (1070, 23986), (1340, 19153), (1790, 14338), (2140, 11993), (3580, 7169)]