11781680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8663}}^1$

素因数の和:8693

約数の個数: 40

約数和(自身を含む): 29007072

約数和(自身を除く): 17225392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 8663, 17326, 34652, 43315, 69304, 86630, 138608, 147271, 173260, 294542, 346520, 589084, 693040, 736355, 1178168, 1472710, 2356336, 2945420, 5890840, 11781680]

約数ペア:

[(1, 11781680), (2, 5890840), (4, 2945420), (5, 2356336), (8, 1472710), (10, 1178168), (16, 736355), (17, 693040), (20, 589084), (34, 346520), (40, 294542), (68, 173260), (80, 147271), (85, 138608), (136, 86630), (170, 69304), (272, 43315), (340, 34652), (680, 17326), (1360, 8663)]