81645070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{3853}}^1$

素因数の和:4036

約数の個数: 32

約数和(自身を含む): 159278112

約数和(自身を除く): 77633042

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 2119, 3853, 4238, 7706, 10595, 19265, 21190, 38530, 50089, 100178, 250445, 500890, 628039, 1256078, 3140195, 6280390, 8164507, 16329014, 40822535, 81645070]

約数ペア:

[(1, 81645070), (2, 40822535), (5, 16329014), (10, 8164507), (13, 6280390), (26, 3140195), (65, 1256078), (130, 628039), (163, 500890), (326, 250445), (815, 100178), (1630, 50089), (2119, 38530), (3853, 21190), (4238, 19265), (7706, 10595)]