2016804920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{90197}}^1$

素因数の和:90264

約数の個数: 64

約数和(自身を含む): 5000577120

約数和(自身を除く): 2983772200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 11180, 22360, 90197, 180394, 360788, 450985, 721576, 901970, 1172561, 1803940, 2345122, 3607880, 3878471, 4690244, 5862805, 7756942, 9380488, 11725610, 15513884, 19392355, 23451220, 31027768, 38784710, 46902440, 50420123, 77569420, 100840246, 155138840, 201680492, 252100615, 403360984, 504201230, 1008402460, 2016804920]

約数ペア:

[(1, 2016804920), (2, 1008402460), (4, 504201230), (5, 403360984), (8, 252100615), (10, 201680492), (13, 155138840), (20, 100840246), (26, 77569420), (40, 50420123), (43, 46902440), (52, 38784710), (65, 31027768), (86, 23451220), (104, 19392355), (130, 15513884), (172, 11725610), (215, 9380488), (260, 7756942), (344, 5862805), (430, 4690244), (520, 3878471), (559, 3607880), (860, 2345122), (1118, 1803940), (1720, 1172561), (2236, 901970), (2795, 721576), (4472, 450985), (5590, 360788), (11180, 180394), (22360, 90197)]