64620721150

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{200779}}^1$

素因数の和:200989

約数の個数: 48

約数和(自身を含む): 123910975440

約数和(自身を除く): 59290254290

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 157, 205, 314, 410, 785, 1025, 1570, 2050, 3925, 6437, 7850, 12874, 32185, 64370, 160925, 200779, 321850, 401558, 1003895, 2007790, 5019475, 8231939, 10038950, 16463878, 31522303, 41159695, 63044606, 82319390, 157611515, 205798475, 315223030, 411596950, 788057575, 1292414423, 1576115150, 2584828846, 6462072115, 12924144230, 32310360575, 64620721150]

約数ペア:

[(1, 64620721150), (2, 32310360575), (5, 12924144230), (10, 6462072115), (25, 2584828846), (41, 1576115150), (50, 1292414423), (82, 788057575), (157, 411596950), (205, 315223030), (314, 205798475), (410, 157611515), (785, 82319390), (1025, 63044606), (1570, 41159695), (2050, 31522303), (3925, 16463878), (6437, 10038950), (7850, 8231939), (12874, 5019475), (32185, 2007790), (64370, 1003895), (160925, 401558), (200779, 321850)]