90634520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13901}}^1$

素因数の和:14075

約数の個数: 32

約数和(自身を含む): 205193520

約数和(自身を除く): 114559000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 13901, 27802, 55604, 69505, 111208, 139010, 278020, 556040, 2265863, 4531726, 9063452, 11329315, 18126904, 22658630, 45317260, 90634520]

約数ペア:

[(1, 90634520), (2, 45317260), (4, 22658630), (5, 18126904), (8, 11329315), (10, 9063452), (20, 4531726), (40, 2265863), (163, 556040), (326, 278020), (652, 139010), (815, 111208), (1304, 69505), (1630, 55604), (3260, 27802), (6520, 13901)]