89839880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{877}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 219043440

約数和(自身を除く): 129203560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 788, 877, 985, 1576, 1754, 1970, 2561, 3508, 3940, 4385, 5122, 7016, 7880, 8770, 10244, 11401, 12805, 17540, 20488, 22802, 25610, 35080, 45604, 51220, 57005, 91208, 102440, 114010, 172769, 228020, 345538, 456040, 691076, 863845, 1382152, 1727690, 2245997, 3455380, 4491994, 6910760, 8983988, 11229985, 17967976, 22459970, 44919940, 89839880]

約数ペア:

[(1, 89839880), (2, 44919940), (4, 22459970), (5, 17967976), (8, 11229985), (10, 8983988), (13, 6910760), (20, 4491994), (26, 3455380), (40, 2245997), (52, 1727690), (65, 1382152), (104, 863845), (130, 691076), (197, 456040), (260, 345538), (394, 228020), (520, 172769), (788, 114010), (877, 102440), (985, 91208), (1576, 57005), (1754, 51220), (1970, 45604), (2561, 35080), (3508, 25610), (3940, 22802), (4385, 20488), (5122, 17540), (7016, 12805), (7880, 11401), (8770, 10244)]