26456140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^2\times {\mathrm{167}}^1$

素因数の和:354

約数の個数: 36

約数和(自身を含む): 56525616

約数和(自身を除く): 30069476

約数列:

[1, 2, 4, 5, 10, 20, 89, 167, 178, 334, 356, 445, 668, 835, 890, 1670, 1780, 3340, 7921, 14863, 15842, 29726, 31684, 39605, 59452, 74315, 79210, 148630, 158420, 297260, 1322807, 2645614, 5291228, 6614035, 13228070, 26456140]

約数ペア:

[(1, 26456140), (2, 13228070), (4, 6614035), (5, 5291228), (10, 2645614), (20, 1322807), (89, 297260), (167, 158420), (178, 148630), (334, 79210), (356, 74315), (445, 59452), (668, 39605), (835, 31684), (890, 29726), (1670, 15842), (1780, 14863), (3340, 7921)]