16818760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8581}}^1$

素因数の和:8606

約数の個数: 48

約数和(自身を含む): 44025660

約数和(自身を除く): 27206900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8581, 17162, 34324, 42905, 60067, 68648, 85810, 120134, 171620, 240268, 300335, 343240, 420469, 480536, 600670, 840938, 1201340, 1681876, 2102345, 2402680, 3363752, 4204690, 8409380, 16818760]

約数ペア:

[(1, 16818760), (2, 8409380), (4, 4204690), (5, 3363752), (7, 2402680), (8, 2102345), (10, 1681876), (14, 1201340), (20, 840938), (28, 600670), (35, 480536), (40, 420469), (49, 343240), (56, 300335), (70, 240268), (98, 171620), (140, 120134), (196, 85810), (245, 68648), (280, 60067), (392, 42905), (490, 34324), (980, 17162), (1960, 8581)]