26391880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 61819200

約数和(自身を除く): 35427320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 59, 106, 118, 211, 212, 236, 265, 295, 422, 424, 472, 530, 590, 844, 1055, 1060, 1180, 1688, 2110, 2120, 2360, 3127, 4220, 6254, 8440, 11183, 12449, 12508, 15635, 22366, 24898, 25016, 31270, 44732, 49796, 55915, 62245, 62540, 89464, 99592, 111830, 124490, 125080, 223660, 248980, 447320, 497960, 659797, 1319594, 2639188, 3298985, 5278376, 6597970, 13195940, 26391880]

約数ペア:

[(1, 26391880), (2, 13195940), (4, 6597970), (5, 5278376), (8, 3298985), (10, 2639188), (20, 1319594), (40, 659797), (53, 497960), (59, 447320), (106, 248980), (118, 223660), (211, 125080), (212, 124490), (236, 111830), (265, 99592), (295, 89464), (422, 62540), (424, 62245), (472, 55915), (530, 49796), (590, 44732), (844, 31270), (1055, 25016), (1060, 24898), (1180, 22366), (1688, 15635), (2110, 12508), (2120, 12449), (2360, 11183), (3127, 8440), (4220, 6254)]