13447400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{947}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 31739040

約数和(自身を除く): 18291640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 947, 1420, 1775, 1894, 2840, 3550, 3788, 4735, 7100, 7576, 9470, 14200, 18940, 23675, 37880, 47350, 67237, 94700, 134474, 189400, 268948, 336185, 537896, 672370, 1344740, 1680925, 2689480, 3361850, 6723700, 13447400]

約数ペア:

[(1, 13447400), (2, 6723700), (4, 3361850), (5, 2689480), (8, 1680925), (10, 1344740), (20, 672370), (25, 537896), (40, 336185), (50, 268948), (71, 189400), (100, 134474), (142, 94700), (200, 67237), (284, 47350), (355, 37880), (568, 23675), (710, 18940), (947, 14200), (1420, 9470), (1775, 7576), (1894, 7100), (2840, 4735), (3550, 3788)]