65562100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 148184960

約数和(自身を除く): 82622860

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 79, 86, 100, 158, 172, 193, 215, 316, 386, 395, 430, 772, 790, 860, 965, 1075, 1580, 1930, 1975, 2150, 3397, 3860, 3950, 4300, 4825, 6794, 7900, 8299, 9650, 13588, 15247, 16598, 16985, 19300, 30494, 33196, 33970, 41495, 60988, 67940, 76235, 82990, 84925, 152470, 165980, 169850, 207475, 304940, 339700, 381175, 414950, 655621, 762350, 829900, 1311242, 1524700, 2622484, 3278105, 6556210, 13112420, 16390525, 32781050, 65562100]

約数ペア:

[(1, 65562100), (2, 32781050), (4, 16390525), (5, 13112420), (10, 6556210), (20, 3278105), (25, 2622484), (43, 1524700), (50, 1311242), (79, 829900), (86, 762350), (100, 655621), (158, 414950), (172, 381175), (193, 339700), (215, 304940), (316, 207475), (386, 169850), (395, 165980), (430, 152470), (772, 84925), (790, 82990), (860, 76235), (965, 67940), (1075, 60988), (1580, 41495), (1930, 33970), (1975, 33196), (2150, 30494), (3397, 19300), (3860, 16985), (3950, 16598), (4300, 15247), (4825, 13588), (6794, 9650), (7900, 8299)]