838720

素因数分解:

$2^6\times 5^1\times {\mathrm{2621}}^1$

素因数の和:2638

約数の個数: 28

約数和(自身を含む): 1997964

約数和(自身を除く): 1159244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2621, 5242, 10484, 13105, 20968, 26210, 41936, 52420, 83872, 104840, 167744, 209680, 419360, 838720]

約数ペア:

[(1, 838720), (2, 419360), (4, 209680), (5, 167744), (8, 104840), (10, 83872), (16, 52420), (20, 41936), (32, 26210), (40, 20968), (64, 13105), (80, 10484), (160, 5242), (320, 2621)]