1220480

素因数分解:

$2^7\times 5^1\times {\mathrm{1907}}^1$

素因数の和:1926

約数の個数: 32

約数和(自身を含む): 2919240

約数和(自身を除く): 1698760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1907, 3814, 7628, 9535, 15256, 19070, 30512, 38140, 61024, 76280, 122048, 152560, 244096, 305120, 610240, 1220480]

約数ペア:

[(1, 1220480), (2, 610240), (4, 305120), (5, 244096), (8, 152560), (10, 122048), (16, 76280), (20, 61024), (32, 38140), (40, 30512), (64, 19070), (80, 15256), (128, 9535), (160, 7628), (320, 3814), (640, 1907)]