128222720

素因数分解:

$2^9\times 5^1\times {\mathrm{50087}}^1$

素因数の和:50110

約数の個数: 40

約数和(自身を含む): 307440144

約数和(自身を除く): 179217424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 50087, 100174, 200348, 250435, 400696, 500870, 801392, 1001740, 1602784, 2003480, 3205568, 4006960, 6411136, 8013920, 12822272, 16027840, 25644544, 32055680, 64111360, 128222720]

約数ペア:

[(1, 128222720), (2, 64111360), (4, 32055680), (5, 25644544), (8, 16027840), (10, 12822272), (16, 8013920), (20, 6411136), (32, 4006960), (40, 3205568), (64, 2003480), (80, 1602784), (128, 1001740), (160, 801392), (256, 500870), (320, 400696), (512, 250435), (640, 200348), (1280, 100174), (2560, 50087)]