74417720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143111}}^1$

素因数の和:143135

約数の個数: 32

約数和(自身を含む): 180321120

約数和(自身を除く): 105903400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 143111, 286222, 572444, 715555, 1144888, 1431110, 1860443, 2862220, 3720886, 5724440, 7441772, 9302215, 14883544, 18604430, 37208860, 74417720]

約数ペア:

[(1, 74417720), (2, 37208860), (4, 18604430), (5, 14883544), (8, 9302215), (10, 7441772), (13, 5724440), (20, 3720886), (26, 2862220), (40, 1860443), (52, 1431110), (65, 1144888), (104, 715555), (130, 572444), (260, 286222), (520, 143111)]