55357900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 130998560

約数和(自身を除く): 75640660

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 97, 100, 130, 194, 260, 325, 388, 439, 485, 650, 878, 970, 1261, 1300, 1756, 1940, 2195, 2425, 2522, 4390, 4850, 5044, 5707, 6305, 8780, 9700, 10975, 11414, 12610, 21950, 22828, 25220, 28535, 31525, 42583, 43900, 57070, 63050, 85166, 114140, 126100, 142675, 170332, 212915, 285350, 425830, 553579, 570700, 851660, 1064575, 1107158, 2129150, 2214316, 2767895, 4258300, 5535790, 11071580, 13839475, 27678950, 55357900]

約数ペア:

[(1, 55357900), (2, 27678950), (4, 13839475), (5, 11071580), (10, 5535790), (13, 4258300), (20, 2767895), (25, 2214316), (26, 2129150), (50, 1107158), (52, 1064575), (65, 851660), (97, 570700), (100, 553579), (130, 425830), (194, 285350), (260, 212915), (325, 170332), (388, 142675), (439, 126100), (485, 114140), (650, 85166), (878, 63050), (970, 57070), (1261, 43900), (1300, 42583), (1756, 31525), (1940, 28535), (2195, 25220), (2425, 22828), (2522, 21950), (4390, 12610), (4850, 11414), (5044, 10975), (5707, 9700), (6305, 8780)]