156937262920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{495821}}^1$

素因数の和:496066

約数の個数: 64

約数和(自身を含む): 363596189040

約数和(自身を除く): 206658926120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 193, 205, 328, 386, 410, 772, 820, 965, 1544, 1640, 1930, 3860, 7720, 7913, 15826, 31652, 39565, 63304, 79130, 158260, 316520, 495821, 991642, 1983284, 2479105, 3966568, 4958210, 9916420, 19832840, 20328661, 40657322, 81314644, 95693453, 101643305, 162629288, 191386906, 203286610, 382773812, 406573220, 478467265, 765547624, 813146440, 956934530, 1913869060, 3827738120, 3923431573, 7846863146, 15693726292, 19617157865, 31387452584, 39234315730, 78468631460, 156937262920]

約数ペア:

[(1, 156937262920), (2, 78468631460), (4, 39234315730), (5, 31387452584), (8, 19617157865), (10, 15693726292), (20, 7846863146), (40, 3923431573), (41, 3827738120), (82, 1913869060), (164, 956934530), (193, 813146440), (205, 765547624), (328, 478467265), (386, 406573220), (410, 382773812), (772, 203286610), (820, 191386906), (965, 162629288), (1544, 101643305), (1640, 95693453), (1930, 81314644), (3860, 40657322), (7720, 20328661), (7913, 19832840), (15826, 9916420), (31652, 4958210), (39565, 3966568), (63304, 2479105), (79130, 1983284), (158260, 991642), (316520, 495821)]