49798840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13681}}^1$

素因数の和:13712

約数の個数: 64

約数和(自身を含む): 137914560

約数和(自身を除く): 88115720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 13681, 27362, 54724, 68405, 95767, 109448, 136810, 177853, 191534, 273620, 355706, 383068, 478835, 547240, 711412, 766136, 889265, 957670, 1244971, 1422824, 1778530, 1915340, 2489942, 3557060, 3830680, 4979884, 6224855, 7114120, 9959768, 12449710, 24899420, 49798840]

約数ペア:

[(1, 49798840), (2, 24899420), (4, 12449710), (5, 9959768), (7, 7114120), (8, 6224855), (10, 4979884), (13, 3830680), (14, 3557060), (20, 2489942), (26, 1915340), (28, 1778530), (35, 1422824), (40, 1244971), (52, 957670), (56, 889265), (65, 766136), (70, 711412), (91, 547240), (104, 478835), (130, 383068), (140, 355706), (182, 273620), (260, 191534), (280, 177853), (364, 136810), (455, 109448), (520, 95767), (728, 68405), (910, 54724), (1820, 27362), (3640, 13681)]