51772240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{743}}^1$

素因数の和:836

約数の個数: 80

約数和(自身を含む): 131741568

約数和(自身を除く): 79969328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 743, 871, 1040, 1072, 1340, 1486, 1742, 2680, 2972, 3484, 3715, 4355, 5360, 5944, 6968, 7430, 8710, 9659, 11888, 13936, 14860, 17420, 19318, 29720, 34840, 38636, 48295, 49781, 59440, 69680, 77272, 96590, 99562, 154544, 193180, 199124, 248905, 386360, 398248, 497810, 647153, 772720, 796496, 995620, 1294306, 1991240, 2588612, 3235765, 3982480, 5177224, 6471530, 10354448, 12943060, 25886120, 51772240]

約数ペア:

[(1, 51772240), (2, 25886120), (4, 12943060), (5, 10354448), (8, 6471530), (10, 5177224), (13, 3982480), (16, 3235765), (20, 2588612), (26, 1991240), (40, 1294306), (52, 995620), (65, 796496), (67, 772720), (80, 647153), (104, 497810), (130, 398248), (134, 386360), (208, 248905), (260, 199124), (268, 193180), (335, 154544), (520, 99562), (536, 96590), (670, 77272), (743, 69680), (871, 59440), (1040, 49781), (1072, 48295), (1340, 38636), (1486, 34840), (1742, 29720), (2680, 19318), (2972, 17420), (3484, 14860), (3715, 13936), (4355, 11888), (5360, 9659), (5944, 8710), (6968, 7430)]