51797240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117721}}^1$

素因数の和:117743

約数の個数: 32

約数和(自身を含む): 127139760

約数和(自身を除く): 75342520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 117721, 235442, 470884, 588605, 941768, 1177210, 1294931, 2354420, 2589862, 4708840, 5179724, 6474655, 10359448, 12949310, 25898620, 51797240]

約数ペア:

[(1, 51797240), (2, 25898620), (4, 12949310), (5, 10359448), (8, 6474655), (10, 5179724), (11, 4708840), (20, 2589862), (22, 2354420), (40, 1294931), (44, 1177210), (55, 941768), (88, 588605), (110, 470884), (220, 235442), (440, 117721)]