1810840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2663}}^1$

素因数の和:2691

約数の個数: 32

約数和(自身を含む): 4315680

約数和(自身を除く): 2504840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2663, 5326, 10652, 13315, 21304, 26630, 45271, 53260, 90542, 106520, 181084, 226355, 362168, 452710, 905420, 1810840]

約数ペア:

[(1, 1810840), (2, 905420), (4, 452710), (5, 362168), (8, 226355), (10, 181084), (17, 106520), (20, 90542), (34, 53260), (40, 45271), (68, 26630), (85, 21304), (136, 13315), (170, 10652), (340, 5326), (680, 2663)]