29547880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 69854400

約数和(自身を除く): 40306520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 419, 430, 820, 838, 860, 1640, 1676, 1720, 1763, 2095, 3352, 3526, 4190, 7052, 8380, 8815, 14104, 16760, 17179, 17630, 18017, 34358, 35260, 36034, 68716, 70520, 72068, 85895, 90085, 137432, 144136, 171790, 180170, 343580, 360340, 687160, 720680, 738697, 1477394, 2954788, 3693485, 5909576, 7386970, 14773940, 29547880]

約数ペア:

[(1, 29547880), (2, 14773940), (4, 7386970), (5, 5909576), (8, 3693485), (10, 2954788), (20, 1477394), (40, 738697), (41, 720680), (43, 687160), (82, 360340), (86, 343580), (164, 180170), (172, 171790), (205, 144136), (215, 137432), (328, 90085), (344, 85895), (410, 72068), (419, 70520), (430, 68716), (820, 36034), (838, 35260), (860, 34358), (1640, 18017), (1676, 17630), (1720, 17179), (1763, 16760), (2095, 14104), (3352, 8815), (3526, 8380), (4190, 7052)]