80052440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153947}}^1$

素因数の和:153971

約数の個数: 32

約数和(自身を含む): 193974480

約数和(自身を除く): 113922040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 153947, 307894, 615788, 769735, 1231576, 1539470, 2001311, 3078940, 4002622, 6157880, 8005244, 10006555, 16010488, 20013110, 40026220, 80052440]

約数ペア:

[(1, 80052440), (2, 40026220), (4, 20013110), (5, 16010488), (8, 10006555), (10, 8005244), (13, 6157880), (20, 4002622), (26, 3078940), (40, 2001311), (52, 1539470), (65, 1231576), (104, 769735), (130, 615788), (260, 307894), (520, 153947)]