15946480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18121}}^1$

素因数の和:18145

約数の個数: 40

約数和(自身を含む): 40448304

約数和(自身を除く): 24501824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 18121, 36242, 72484, 90605, 144968, 181210, 199331, 289936, 362420, 398662, 724840, 797324, 996655, 1449680, 1594648, 1993310, 3189296, 3986620, 7973240, 15946480]

約数ペア:

[(1, 15946480), (2, 7973240), (4, 3986620), (5, 3189296), (8, 1993310), (10, 1594648), (11, 1449680), (16, 996655), (20, 797324), (22, 724840), (40, 398662), (44, 362420), (55, 289936), (80, 199331), (88, 181210), (110, 144968), (176, 90605), (220, 72484), (440, 36242), (880, 18121)]