55568890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 109571616

約数和(自身を除く): 54002726

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 169, 251, 262, 338, 502, 655, 845, 1255, 1310, 1690, 1703, 2510, 3263, 3406, 6526, 8515, 16315, 17030, 22139, 32630, 32881, 42419, 44278, 65762, 84838, 110695, 164405, 212095, 221390, 328810, 424190, 427453, 854906, 2137265, 4274530, 5556889, 11113778, 27784445, 55568890]

約数ペア:

[(1, 55568890), (2, 27784445), (5, 11113778), (10, 5556889), (13, 4274530), (26, 2137265), (65, 854906), (130, 427453), (131, 424190), (169, 328810), (251, 221390), (262, 212095), (338, 164405), (502, 110695), (655, 84838), (845, 65762), (1255, 44278), (1310, 42419), (1690, 32881), (1703, 32630), (2510, 22139), (3263, 17030), (3406, 16315), (6526, 8515)]