71488120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{162473}}^1$

素因数の和:162495

約数の個数: 32

約数和(自身を含む): 175471920

約数和(自身を除く): 103983800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 162473, 324946, 649892, 812365, 1299784, 1624730, 1787203, 3249460, 3574406, 6498920, 7148812, 8936015, 14297624, 17872030, 35744060, 71488120]

約数ペア:

[(1, 71488120), (2, 35744060), (4, 17872030), (5, 14297624), (8, 8936015), (10, 7148812), (11, 6498920), (20, 3574406), (22, 3249460), (40, 1787203), (44, 1624730), (55, 1299784), (88, 812365), (110, 649892), (220, 324946), (440, 162473)]