4442240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 11603520

約数和(自身を除く): 7161280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 631, 640, 704, 880, 1262, 1408, 1760, 2524, 3155, 3520, 5048, 6310, 6941, 7040, 10096, 12620, 13882, 20192, 25240, 27764, 34705, 40384, 50480, 55528, 69410, 80768, 100960, 111056, 138820, 201920, 222112, 277640, 403840, 444224, 555280, 888448, 1110560, 2221120, 4442240]

約数ペア:

[(1, 4442240), (2, 2221120), (4, 1110560), (5, 888448), (8, 555280), (10, 444224), (11, 403840), (16, 277640), (20, 222112), (22, 201920), (32, 138820), (40, 111056), (44, 100960), (55, 80768), (64, 69410), (80, 55528), (88, 50480), (110, 40384), (128, 34705), (160, 27764), (176, 25240), (220, 20192), (320, 13882), (352, 12620), (440, 10096), (631, 7040), (640, 6941), (704, 6310), (880, 5048), (1262, 3520), (1408, 3155), (1760, 2524)]