89139440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{85711}}^1$

素因数の和:85737

約数の個数: 40

約数和(自身を含む): 223194048

約数和(自身を除く): 134054608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 85711, 171422, 342844, 428555, 685688, 857110, 1114243, 1371376, 1714220, 2228486, 3428440, 4456972, 5571215, 6856880, 8913944, 11142430, 17827888, 22284860, 44569720, 89139440]

約数ペア:

[(1, 89139440), (2, 44569720), (4, 22284860), (5, 17827888), (8, 11142430), (10, 8913944), (13, 6856880), (16, 5571215), (20, 4456972), (26, 3428440), (40, 2228486), (52, 1714220), (65, 1371376), (80, 1114243), (104, 857110), (130, 685688), (208, 428555), (260, 342844), (520, 171422), (1040, 85711)]