5565140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 13504512

約数和(自身を除く): 7939372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 313, 508, 626, 635, 889, 1252, 1270, 1565, 1778, 2191, 2540, 3130, 3556, 4382, 4445, 6260, 8764, 8890, 10955, 17780, 21910, 39751, 43820, 79502, 159004, 198755, 278257, 397510, 556514, 795020, 1113028, 1391285, 2782570, 5565140]

約数ペア:

[(1, 5565140), (2, 2782570), (4, 1391285), (5, 1113028), (7, 795020), (10, 556514), (14, 397510), (20, 278257), (28, 198755), (35, 159004), (70, 79502), (127, 43820), (140, 39751), (254, 21910), (313, 17780), (508, 10955), (626, 8890), (635, 8764), (889, 6260), (1252, 4445), (1270, 4382), (1565, 3556), (1778, 3130), (2191, 2540)]