2261680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1663}}^1$

素因数の和:1693

約数の個数: 40

約数和(自身を含む): 5571072

約数和(自身を除く): 3309392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1663, 3326, 6652, 8315, 13304, 16630, 26608, 28271, 33260, 56542, 66520, 113084, 133040, 141355, 226168, 282710, 452336, 565420, 1130840, 2261680]

約数ペア:

[(1, 2261680), (2, 1130840), (4, 565420), (5, 452336), (8, 282710), (10, 226168), (16, 141355), (17, 133040), (20, 113084), (34, 66520), (40, 56542), (68, 33260), (80, 28271), (85, 26608), (136, 16630), (170, 13304), (272, 8315), (340, 6652), (680, 3326), (1360, 1663)]