24997840

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{911}}^1$

素因数の和:945

約数の個数: 80

約数和(自身を含む): 67852800

約数和(自身を除く): 42854960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 911, 980, 1372, 1715, 1822, 1960, 2744, 3430, 3644, 3920, 4555, 5488, 6377, 6860, 7288, 9110, 12754, 13720, 14576, 18220, 25508, 27440, 31885, 36440, 44639, 51016, 63770, 72880, 89278, 102032, 127540, 178556, 223195, 255080, 312473, 357112, 446390, 510160, 624946, 714224, 892780, 1249892, 1562365, 1785560, 2499784, 3124730, 3571120, 4999568, 6249460, 12498920, 24997840]

約数ペア:

[(1, 24997840), (2, 12498920), (4, 6249460), (5, 4999568), (7, 3571120), (8, 3124730), (10, 2499784), (14, 1785560), (16, 1562365), (20, 1249892), (28, 892780), (35, 714224), (40, 624946), (49, 510160), (56, 446390), (70, 357112), (80, 312473), (98, 255080), (112, 223195), (140, 178556), (196, 127540), (245, 102032), (280, 89278), (343, 72880), (392, 63770), (490, 51016), (560, 44639), (686, 36440), (784, 31885), (911, 27440), (980, 25508), (1372, 18220), (1715, 14576), (1822, 13720), (1960, 12754), (2744, 9110), (3430, 7288), (3644, 6860), (3920, 6377), (4555, 5488)]