9664313720

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{491}}^1\times {\mathrm{1871}}^1$

素因数の和:2636

約数の個数: 64

約数和(自身を含む): 21883530240

約数和(自身を除く): 12219216520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 491, 526, 982, 1052, 1315, 1871, 1964, 2104, 2455, 2630, 3742, 3928, 4910, 5260, 7484, 9355, 9820, 10520, 14968, 18710, 19640, 37420, 74840, 129133, 258266, 492073, 516532, 645665, 918661, 984146, 1033064, 1291330, 1837322, 1968292, 2460365, 2582660, 3674644, 3936584, 4593305, 4920730, 5165320, 7349288, 9186610, 9841460, 18373220, 19682920, 36746440, 241607843, 483215686, 966431372, 1208039215, 1932862744, 2416078430, 4832156860, 9664313720]

約数ペア:

[(1, 9664313720), (2, 4832156860), (4, 2416078430), (5, 1932862744), (8, 1208039215), (10, 966431372), (20, 483215686), (40, 241607843), (263, 36746440), (491, 19682920), (526, 18373220), (982, 9841460), (1052, 9186610), (1315, 7349288), (1871, 5165320), (1964, 4920730), (2104, 4593305), (2455, 3936584), (2630, 3674644), (3742, 2582660), (3928, 2460365), (4910, 1968292), (5260, 1837322), (7484, 1291330), (9355, 1033064), (9820, 984146), (10520, 918661), (14968, 645665), (18710, 516532), (19640, 492073), (37420, 258266), (74840, 129133)]