2221005320

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{74731}}^1$

素因数の和:75485

約数の個数: 32

約数和(自身を含む): 5004054720

約数和(自身を除く): 2783049400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2972, 3715, 5944, 7430, 14860, 29720, 74731, 149462, 298924, 373655, 597848, 747310, 1494620, 2989240, 55525133, 111050266, 222100532, 277625665, 444201064, 555251330, 1110502660, 2221005320]

約数ペア:

[(1, 2221005320), (2, 1110502660), (4, 555251330), (5, 444201064), (8, 277625665), (10, 222100532), (20, 111050266), (40, 55525133), (743, 2989240), (1486, 1494620), (2972, 747310), (3715, 597848), (5944, 373655), (7430, 298924), (14860, 149462), (29720, 74731)]