16390640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29269}}^1$

素因数の和:29289

約数の個数: 40

約数和(自身を含む): 43553760

約数和(自身を除く): 27163120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 29269, 58538, 117076, 146345, 204883, 234152, 292690, 409766, 468304, 585380, 819532, 1024415, 1170760, 1639064, 2048830, 2341520, 3278128, 4097660, 8195320, 16390640]

約数ペア:

[(1, 16390640), (2, 8195320), (4, 4097660), (5, 3278128), (7, 2341520), (8, 2048830), (10, 1639064), (14, 1170760), (16, 1024415), (20, 819532), (28, 585380), (35, 468304), (40, 409766), (56, 292690), (70, 234152), (80, 204883), (112, 146345), (140, 117076), (280, 58538), (560, 29269)]