25538920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{58043}}^1$

素因数の和:58065

約数の個数: 32

約数和(自身を含む): 62687520

約数和(自身を除く): 37148600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 58043, 116086, 232172, 290215, 464344, 580430, 638473, 1160860, 1276946, 2321720, 2553892, 3192365, 5107784, 6384730, 12769460, 25538920]

約数ペア:

[(1, 25538920), (2, 12769460), (4, 6384730), (5, 5107784), (8, 3192365), (10, 2553892), (11, 2321720), (20, 1276946), (22, 1160860), (40, 638473), (44, 580430), (55, 464344), (88, 290215), (110, 232172), (220, 116086), (440, 58043)]