49884320

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2243}}^1$

素因数の和:2397

約数の個数: 48

約数和(自身を含む): 118752480

約数和(自身を除く): 68868160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2243, 2780, 4448, 4486, 5560, 8972, 11120, 11215, 17944, 22240, 22430, 35888, 44860, 71776, 89720, 179440, 311777, 358880, 623554, 1247108, 1558885, 2494216, 3117770, 4988432, 6235540, 9976864, 12471080, 24942160, 49884320]

約数ペア:

[(1, 49884320), (2, 24942160), (4, 12471080), (5, 9976864), (8, 6235540), (10, 4988432), (16, 3117770), (20, 2494216), (32, 1558885), (40, 1247108), (80, 623554), (139, 358880), (160, 311777), (278, 179440), (556, 89720), (695, 71776), (1112, 44860), (1390, 35888), (2224, 22430), (2243, 22240), (2780, 17944), (4448, 11215), (4486, 11120), (5560, 8972)]