83795920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 211392720

約数和(自身を除く): 127596800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 197, 208, 260, 394, 409, 520, 788, 818, 985, 1040, 1576, 1636, 1970, 2045, 2561, 3152, 3272, 3940, 4090, 5122, 5317, 6544, 7880, 8180, 10244, 10634, 12805, 15760, 16360, 20488, 21268, 25610, 26585, 32720, 40976, 42536, 51220, 53170, 80573, 85072, 102440, 106340, 161146, 204880, 212680, 322292, 402865, 425360, 644584, 805730, 1047449, 1289168, 1611460, 2094898, 3222920, 4189796, 5237245, 6445840, 8379592, 10474490, 16759184, 20948980, 41897960, 83795920]

約数ペア:

[(1, 83795920), (2, 41897960), (4, 20948980), (5, 16759184), (8, 10474490), (10, 8379592), (13, 6445840), (16, 5237245), (20, 4189796), (26, 3222920), (40, 2094898), (52, 1611460), (65, 1289168), (80, 1047449), (104, 805730), (130, 644584), (197, 425360), (208, 402865), (260, 322292), (394, 212680), (409, 204880), (520, 161146), (788, 106340), (818, 102440), (985, 85072), (1040, 80573), (1576, 53170), (1636, 51220), (1970, 42536), (2045, 40976), (2561, 32720), (3152, 26585), (3272, 25610), (3940, 21268), (4090, 20488), (5122, 16360), (5317, 15760), (6544, 12805), (7880, 10634), (8180, 10244)]