11879440

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{911}}^1$

素因数の和:1087

約数の個数: 40

約数和(自身を含む): 27819648

約数和(自身を除く): 15940208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 911, 1304, 1630, 1822, 2608, 3260, 3644, 4555, 6520, 7288, 9110, 13040, 14576, 18220, 36440, 72880, 148493, 296986, 593972, 742465, 1187944, 1484930, 2375888, 2969860, 5939720, 11879440]

約数ペア:

[(1, 11879440), (2, 5939720), (4, 2969860), (5, 2375888), (8, 1484930), (10, 1187944), (16, 742465), (20, 593972), (40, 296986), (80, 148493), (163, 72880), (326, 36440), (652, 18220), (815, 14576), (911, 13040), (1304, 9110), (1630, 7288), (1822, 6520), (2608, 4555), (3260, 3644)]