1822720

素因数分解:

$2^{12}\times 5^1\times {\mathrm{89}}^1$

素因数の和:118

約数の個数: 52

約数和(自身を含む): 4423140

約数和(自身を除く): 2600420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 512, 640, 712, 890, 1024, 1280, 1424, 1780, 2048, 2560, 2848, 3560, 4096, 5120, 5696, 7120, 10240, 11392, 14240, 20480, 22784, 28480, 45568, 56960, 91136, 113920, 182272, 227840, 364544, 455680, 911360, 1822720]

約数ペア:

[(1, 1822720), (2, 911360), (4, 455680), (5, 364544), (8, 227840), (10, 182272), (16, 113920), (20, 91136), (32, 56960), (40, 45568), (64, 28480), (80, 22784), (89, 20480), (128, 14240), (160, 11392), (178, 10240), (256, 7120), (320, 5696), (356, 5120), (445, 4096), (512, 3560), (640, 2848), (712, 2560), (890, 2048), (1024, 1780), (1280, 1424)]