73981047880

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1\times {\mathrm{33329}}^1$

素因数の和:33814

約数の個数: 64

約数和(自身を含む): 167887209600

約数和(自身を除く): 93906161720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 263, 422, 526, 844, 1052, 1055, 1315, 1688, 2104, 2110, 2630, 4220, 5260, 8440, 10520, 33329, 55493, 66658, 110986, 133316, 166645, 221972, 266632, 277465, 333290, 443944, 554930, 666580, 1109860, 1333160, 2219720, 7032419, 8765527, 14064838, 17531054, 28129676, 35062108, 35162095, 43827635, 56259352, 70124216, 70324190, 87655270, 140648380, 175310540, 281296760, 350621080, 1849526197, 3699052394, 7398104788, 9247630985, 14796209576, 18495261970, 36990523940, 73981047880]

約数ペア:

[(1, 73981047880), (2, 36990523940), (4, 18495261970), (5, 14796209576), (8, 9247630985), (10, 7398104788), (20, 3699052394), (40, 1849526197), (211, 350621080), (263, 281296760), (422, 175310540), (526, 140648380), (844, 87655270), (1052, 70324190), (1055, 70124216), (1315, 56259352), (1688, 43827635), (2104, 35162095), (2110, 35062108), (2630, 28129676), (4220, 17531054), (5260, 14064838), (8440, 8765527), (10520, 7032419), (33329, 2219720), (55493, 1333160), (66658, 1109860), (110986, 666580), (133316, 554930), (166645, 443944), (221972, 333290), (266632, 277465)]