1677440

素因数分解:

$2^7\times 5^1\times {\mathrm{2621}}^1$

素因数の和:2640

約数の個数: 32

約数和(自身を含む): 4011660

約数和(自身を除く): 2334220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2621, 5242, 10484, 13105, 20968, 26210, 41936, 52420, 83872, 104840, 167744, 209680, 335488, 419360, 838720, 1677440]

約数ペア:

[(1, 1677440), (2, 838720), (4, 419360), (5, 335488), (8, 209680), (10, 167744), (16, 104840), (20, 83872), (32, 52420), (40, 41936), (64, 26210), (80, 20968), (128, 13105), (160, 10484), (320, 5242), (640, 2621)]