25538480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29021}}^1$

素因数の和:29045

約数の個数: 40

約数和(自身を含む): 64777104

約数和(自身を除く): 39238624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 29021, 58042, 116084, 145105, 232168, 290210, 319231, 464336, 580420, 638462, 1160840, 1276924, 1596155, 2321680, 2553848, 3192310, 5107696, 6384620, 12769240, 25538480]

約数ペア:

[(1, 25538480), (2, 12769240), (4, 6384620), (5, 5107696), (8, 3192310), (10, 2553848), (11, 2321680), (16, 1596155), (20, 1276924), (22, 1160840), (40, 638462), (44, 580420), (55, 464336), (80, 319231), (88, 290210), (110, 232168), (176, 145105), (220, 116084), (440, 58042), (880, 29021)]