7973240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18121}}^1$

素因数の和:18143

約数の個数: 32

約数和(自身を含む): 19571760

約数和(自身を除く): 11598520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 18121, 36242, 72484, 90605, 144968, 181210, 199331, 362420, 398662, 724840, 797324, 996655, 1594648, 1993310, 3986620, 7973240]

約数ペア:

[(1, 7973240), (2, 3986620), (4, 1993310), (5, 1594648), (8, 996655), (10, 797324), (11, 724840), (20, 398662), (22, 362420), (40, 199331), (44, 181210), (55, 144968), (88, 90605), (110, 72484), (220, 36242), (440, 18121)]