9961880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 23639040

約数和(自身を除く): 13677160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 53, 74, 106, 127, 148, 185, 212, 254, 265, 296, 370, 424, 508, 530, 635, 740, 1016, 1060, 1270, 1480, 1961, 2120, 2540, 3922, 4699, 5080, 6731, 7844, 9398, 9805, 13462, 15688, 18796, 19610, 23495, 26924, 33655, 37592, 39220, 46990, 53848, 67310, 78440, 93980, 134620, 187960, 249047, 269240, 498094, 996188, 1245235, 1992376, 2490470, 4980940, 9961880]

約数ペア:

[(1, 9961880), (2, 4980940), (4, 2490470), (5, 1992376), (8, 1245235), (10, 996188), (20, 498094), (37, 269240), (40, 249047), (53, 187960), (74, 134620), (106, 93980), (127, 78440), (148, 67310), (185, 53848), (212, 46990), (254, 39220), (265, 37592), (296, 33655), (370, 26924), (424, 23495), (508, 19610), (530, 18796), (635, 15688), (740, 13462), (1016, 9805), (1060, 9398), (1270, 7844), (1480, 6731), (1961, 5080), (2120, 4699), (2540, 3922)]