51887680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12473}}^1$

素因数の和:12503

約数の個数: 56

約数和(自身を含む): 133072632

約数和(自身を除く): 81184952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 12473, 24946, 49892, 62365, 99784, 124730, 162149, 199568, 249460, 324298, 399136, 498920, 648596, 798272, 810745, 997840, 1297192, 1621490, 1995680, 2594384, 3242980, 3991360, 5188768, 6485960, 10377536, 12971920, 25943840, 51887680]

約数ペア:

[(1, 51887680), (2, 25943840), (4, 12971920), (5, 10377536), (8, 6485960), (10, 5188768), (13, 3991360), (16, 3242980), (20, 2594384), (26, 1995680), (32, 1621490), (40, 1297192), (52, 997840), (64, 810745), (65, 798272), (80, 648596), (104, 498920), (130, 399136), (160, 324298), (208, 249460), (260, 199568), (320, 162149), (416, 124730), (520, 99784), (832, 62365), (1040, 49892), (2080, 24946), (4160, 12473)]