55156100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 124658688

約数和(自身を除く): 69502588

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 101, 127, 172, 202, 215, 254, 404, 430, 505, 508, 635, 860, 1010, 1075, 1270, 2020, 2150, 2525, 2540, 3175, 4300, 4343, 5050, 5461, 6350, 8686, 10100, 10922, 12700, 12827, 17372, 21715, 21844, 25654, 27305, 43430, 51308, 54610, 64135, 86860, 108575, 109220, 128270, 136525, 217150, 256540, 273050, 320675, 434300, 546100, 551561, 641350, 1103122, 1282700, 2206244, 2757805, 5515610, 11031220, 13789025, 27578050, 55156100]

約数ペア:

[(1, 55156100), (2, 27578050), (4, 13789025), (5, 11031220), (10, 5515610), (20, 2757805), (25, 2206244), (43, 1282700), (50, 1103122), (86, 641350), (100, 551561), (101, 546100), (127, 434300), (172, 320675), (202, 273050), (215, 256540), (254, 217150), (404, 136525), (430, 128270), (505, 109220), (508, 108575), (635, 86860), (860, 64135), (1010, 54610), (1075, 51308), (1270, 43430), (2020, 27305), (2150, 25654), (2525, 21844), (2540, 21715), (3175, 17372), (4300, 12827), (4343, 12700), (5050, 10922), (5461, 10100), (6350, 8686)]