10821160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{5521}}^1$

素因数の和:5546

約数の個数: 48

約数和(自身を含む): 28327860

約数和(自身を除く): 17506700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 5521, 11042, 22084, 27605, 38647, 44168, 55210, 77294, 110420, 154588, 193235, 220840, 270529, 309176, 386470, 541058, 772940, 1082116, 1352645, 1545880, 2164232, 2705290, 5410580, 10821160]

約数ペア:

[(1, 10821160), (2, 5410580), (4, 2705290), (5, 2164232), (7, 1545880), (8, 1352645), (10, 1082116), (14, 772940), (20, 541058), (28, 386470), (35, 309176), (40, 270529), (49, 220840), (56, 193235), (70, 154588), (98, 110420), (140, 77294), (196, 55210), (245, 44168), (280, 38647), (392, 27605), (490, 22084), (980, 11042), (1960, 5521)]