66285650

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 127128768

約数和(自身を除く): 60843118

約数列:

[1, 2, 5, 10, 25, 50, 61, 103, 122, 206, 211, 305, 422, 515, 610, 1030, 1055, 1525, 2110, 2575, 3050, 5150, 5275, 6283, 10550, 12566, 12871, 21733, 25742, 31415, 43466, 62830, 64355, 108665, 128710, 157075, 217330, 314150, 321775, 543325, 643550, 1086650, 1325713, 2651426, 6628565, 13257130, 33142825, 66285650]

約数ペア:

[(1, 66285650), (2, 33142825), (5, 13257130), (10, 6628565), (25, 2651426), (50, 1325713), (61, 1086650), (103, 643550), (122, 543325), (206, 321775), (211, 314150), (305, 217330), (422, 157075), (515, 128710), (610, 108665), (1030, 64355), (1055, 62830), (1525, 43466), (2110, 31415), (2575, 25742), (3050, 21733), (5150, 12871), (5275, 12566), (6283, 10550)]