26470220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2663}}^1$

素因数の和:2750

約数の個数: 48

約数和(自身を含む): 64447488

約数和(自身を除く): 37977268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 2663, 4970, 5326, 9940, 10652, 13315, 18641, 26630, 37282, 53260, 74564, 93205, 186410, 189073, 372820, 378146, 756292, 945365, 1323511, 1890730, 2647022, 3781460, 5294044, 6617555, 13235110, 26470220]

約数ペア:

[(1, 26470220), (2, 13235110), (4, 6617555), (5, 5294044), (7, 3781460), (10, 2647022), (14, 1890730), (20, 1323511), (28, 945365), (35, 756292), (70, 378146), (71, 372820), (140, 189073), (142, 186410), (284, 93205), (355, 74564), (497, 53260), (710, 37282), (994, 26630), (1420, 18641), (1988, 13315), (2485, 10652), (2663, 9940), (4970, 5326)]