5450240

素因数分解:

$2^9\times 5^1\times {\mathrm{2129}}^1$

素因数の和:2152

約数の個数: 40

約数和(自身を含む): 13073940

約数和(自身を除く): 7623700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2129, 2560, 4258, 8516, 10645, 17032, 21290, 34064, 42580, 68128, 85160, 136256, 170320, 272512, 340640, 545024, 681280, 1090048, 1362560, 2725120, 5450240]

約数ペア:

[(1, 5450240), (2, 2725120), (4, 1362560), (5, 1090048), (8, 681280), (10, 545024), (16, 340640), (20, 272512), (32, 170320), (40, 136256), (64, 85160), (80, 68128), (128, 42580), (160, 34064), (256, 21290), (320, 17032), (512, 10645), (640, 8516), (1280, 4258), (2129, 2560)]