255741320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{6653}}^1$

素因数の和:6726

約数の個数: 48

約数和(自身を含む): 594667980

約数和(自身を除く): 338926660

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 6653, 7688, 9610, 13306, 19220, 26612, 33265, 38440, 53224, 66530, 133060, 206243, 266120, 412486, 824972, 1031215, 1649944, 2062430, 4124860, 6393533, 8249720, 12787066, 25574132, 31967665, 51148264, 63935330, 127870660, 255741320]

約数ペア:

[(1, 255741320), (2, 127870660), (4, 63935330), (5, 51148264), (8, 31967665), (10, 25574132), (20, 12787066), (31, 8249720), (40, 6393533), (62, 4124860), (124, 2062430), (155, 1649944), (248, 1031215), (310, 824972), (620, 412486), (961, 266120), (1240, 206243), (1922, 133060), (3844, 66530), (4805, 53224), (6653, 38440), (7688, 33265), (9610, 26612), (13306, 19220)]