87888760

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 203212800

約数和(自身を除く): 115324040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 167, 223, 236, 295, 334, 446, 472, 590, 668, 835, 892, 1115, 1180, 1336, 1670, 1784, 2230, 2360, 3340, 4460, 6680, 8920, 9853, 13157, 19706, 26314, 37241, 39412, 49265, 52628, 65785, 74482, 78824, 98530, 105256, 131570, 148964, 186205, 197060, 263140, 297928, 372410, 394120, 526280, 744820, 1489640, 2197219, 4394438, 8788876, 10986095, 17577752, 21972190, 43944380, 87888760]

約数ペア:

[(1, 87888760), (2, 43944380), (4, 21972190), (5, 17577752), (8, 10986095), (10, 8788876), (20, 4394438), (40, 2197219), (59, 1489640), (118, 744820), (167, 526280), (223, 394120), (236, 372410), (295, 297928), (334, 263140), (446, 197060), (472, 186205), (590, 148964), (668, 131570), (835, 105256), (892, 98530), (1115, 78824), (1180, 74482), (1336, 65785), (1670, 52628), (1784, 49265), (2230, 39412), (2360, 37241), (3340, 26314), (4460, 19706), (6680, 13157), (8920, 9853)]