25886120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{743}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 63745920

約数和(自身を除く): 37859800

約数列:

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

約数ペア:

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