90948520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{174901}}^1$

素因数の和:174925

約数の個数: 32

約数和(自身を含む): 220376520

約数和(自身を除く): 129428000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 174901, 349802, 699604, 874505, 1399208, 1749010, 2273713, 3498020, 4547426, 6996040, 9094852, 11368565, 18189704, 22737130, 45474260, 90948520]

約数ペア:

[(1, 90948520), (2, 45474260), (4, 22737130), (5, 18189704), (8, 11368565), (10, 9094852), (13, 6996040), (20, 4547426), (26, 3498020), (40, 2273713), (52, 1749010), (65, 1399208), (104, 874505), (130, 699604), (260, 349802), (520, 174901)]