16821760

素因数分解:

$2^9\times 5^1\times {\mathrm{6571}}^1$

素因数の和:6594

約数の個数: 40

約数和(自身を含む): 40338936

約数和(自身を除く): 23517176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 6571, 13142, 26284, 32855, 52568, 65710, 105136, 131420, 210272, 262840, 420544, 525680, 841088, 1051360, 1682176, 2102720, 3364352, 4205440, 8410880, 16821760]

約数ペア:

[(1, 16821760), (2, 8410880), (4, 4205440), (5, 3364352), (8, 2102720), (10, 1682176), (16, 1051360), (20, 841088), (32, 525680), (40, 420544), (64, 262840), (80, 210272), (128, 131420), (160, 105136), (256, 65710), (320, 52568), (512, 32855), (640, 26284), (1280, 13142), (2560, 6571)]