90198160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{86729}}^1$

素因数の和:86755

約数の個数: 40

約数和(自身を含む): 225844920

約数和(自身を除く): 135646760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 86729, 173458, 346916, 433645, 693832, 867290, 1127477, 1387664, 1734580, 2254954, 3469160, 4509908, 5637385, 6938320, 9019816, 11274770, 18039632, 22549540, 45099080, 90198160]

約数ペア:

[(1, 90198160), (2, 45099080), (4, 22549540), (5, 18039632), (8, 11274770), (10, 9019816), (13, 6938320), (16, 5637385), (20, 4509908), (26, 3469160), (40, 2254954), (52, 1734580), (65, 1387664), (80, 1127477), (104, 867290), (130, 693832), (208, 433645), (260, 346916), (520, 173458), (1040, 86729)]