55077700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 125269760

約数和(自身を除く): 70192060

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 109, 124, 155, 163, 218, 310, 326, 436, 545, 620, 652, 775, 815, 1090, 1550, 1630, 2180, 2725, 3100, 3260, 3379, 4075, 5053, 5450, 6758, 8150, 10106, 10900, 13516, 16300, 16895, 17767, 20212, 25265, 33790, 35534, 50530, 67580, 71068, 84475, 88835, 101060, 126325, 168950, 177670, 252650, 337900, 355340, 444175, 505300, 550777, 888350, 1101554, 1776700, 2203108, 2753885, 5507770, 11015540, 13769425, 27538850, 55077700]

約数ペア:

[(1, 55077700), (2, 27538850), (4, 13769425), (5, 11015540), (10, 5507770), (20, 2753885), (25, 2203108), (31, 1776700), (50, 1101554), (62, 888350), (100, 550777), (109, 505300), (124, 444175), (155, 355340), (163, 337900), (218, 252650), (310, 177670), (326, 168950), (436, 126325), (545, 101060), (620, 88835), (652, 84475), (775, 71068), (815, 67580), (1090, 50530), (1550, 35534), (1630, 33790), (2180, 25265), (2725, 20212), (3100, 17767), (3260, 16895), (3379, 16300), (4075, 13516), (5053, 10900), (5450, 10106), (6758, 8150)]