88405720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{863}}^1$

素因数の和:1084

約数の個数: 64

約数和(自身を含む): 215550720

約数和(自身を除く): 127145000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 788, 863, 985, 1576, 1726, 1970, 2561, 3452, 3940, 4315, 5122, 6904, 7880, 8630, 10244, 11219, 12805, 17260, 20488, 22438, 25610, 34520, 44876, 51220, 56095, 89752, 102440, 112190, 170011, 224380, 340022, 448760, 680044, 850055, 1360088, 1700110, 2210143, 3400220, 4420286, 6800440, 8840572, 11050715, 17681144, 22101430, 44202860, 88405720]

約数ペア:

[(1, 88405720), (2, 44202860), (4, 22101430), (5, 17681144), (8, 11050715), (10, 8840572), (13, 6800440), (20, 4420286), (26, 3400220), (40, 2210143), (52, 1700110), (65, 1360088), (104, 850055), (130, 680044), (197, 448760), (260, 340022), (394, 224380), (520, 170011), (788, 112190), (863, 102440), (985, 89752), (1576, 56095), (1726, 51220), (1970, 44876), (2561, 34520), (3452, 25610), (3940, 22438), (4315, 20488), (5122, 17260), (6904, 12805), (7880, 11219), (8630, 10244)]