40804420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2791}}^1$

素因数の和:2860

約数の個数: 48

約数和(自身を含む): 92873088

約数和(自身を除く): 52068668

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2791, 2924, 3655, 5582, 7310, 11164, 13955, 14620, 27910, 47447, 55820, 94894, 120013, 189788, 237235, 240026, 474470, 480052, 600065, 948940, 1200130, 2040221, 2400260, 4080442, 8160884, 10201105, 20402210, 40804420]

約数ペア:

[(1, 40804420), (2, 20402210), (4, 10201105), (5, 8160884), (10, 4080442), (17, 2400260), (20, 2040221), (34, 1200130), (43, 948940), (68, 600065), (85, 480052), (86, 474470), (170, 240026), (172, 237235), (215, 189788), (340, 120013), (430, 94894), (731, 55820), (860, 47447), (1462, 27910), (2791, 14620), (2924, 13955), (3655, 11164), (5582, 7310)]