90243320

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13841}}^1$

素因数の和:14015

約数の個数: 32

約数和(自身を含む): 204307920

約数和(自身を除く): 114064600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 13841, 27682, 55364, 69205, 110728, 138410, 276820, 553640, 2256083, 4512166, 9024332, 11280415, 18048664, 22560830, 45121660, 90243320]

約数ペア:

[(1, 90243320), (2, 45121660), (4, 22560830), (5, 18048664), (8, 11280415), (10, 9024332), (20, 4512166), (40, 2256083), (163, 553640), (326, 276820), (652, 138410), (815, 110728), (1304, 69205), (1630, 55364), (3260, 27682), (6520, 13841)]