40964480

素因数分解:

$2^7\times 5^1\times {\mathrm{64007}}^1$

素因数の和:64026

約数の個数: 32

約数和(自身を含む): 97932240

約数和(自身を除く): 56967760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 64007, 128014, 256028, 320035, 512056, 640070, 1024112, 1280140, 2048224, 2560280, 4096448, 5120560, 8192896, 10241120, 20482240, 40964480]

約数ペア:

[(1, 40964480), (2, 20482240), (4, 10241120), (5, 8192896), (8, 5120560), (10, 4096448), (16, 2560280), (20, 2048224), (32, 1280140), (40, 1024112), (64, 640070), (80, 512056), (128, 320035), (160, 256028), (320, 128014), (640, 64007)]