13139420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 31825920

約数和(自身を除く): 18686500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 739, 889, 1270, 1478, 1778, 2540, 2956, 3556, 3695, 4445, 5173, 7390, 8890, 10346, 14780, 17780, 20692, 25865, 51730, 93853, 103460, 187706, 375412, 469265, 656971, 938530, 1313942, 1877060, 2627884, 3284855, 6569710, 13139420]

約数ペア:

[(1, 13139420), (2, 6569710), (4, 3284855), (5, 2627884), (7, 1877060), (10, 1313942), (14, 938530), (20, 656971), (28, 469265), (35, 375412), (70, 187706), (127, 103460), (140, 93853), (254, 51730), (508, 25865), (635, 20692), (739, 17780), (889, 14780), (1270, 10346), (1478, 8890), (1778, 7390), (2540, 5173), (2956, 4445), (3556, 3695)]