65808640

素因数分解:

$2^8\times 5^1\times {\mathrm{51413}}^1$

素因数の和:51434

約数の個数: 36

約数和(自身を含む): 157635324

約数和(自身を除く): 91826684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 51413, 102826, 205652, 257065, 411304, 514130, 822608, 1028260, 1645216, 2056520, 3290432, 4113040, 6580864, 8226080, 13161728, 16452160, 32904320, 65808640]

約数ペア:

[(1, 65808640), (2, 32904320), (4, 16452160), (5, 13161728), (8, 8226080), (10, 6580864), (16, 4113040), (20, 3290432), (32, 2056520), (40, 1645216), (64, 1028260), (80, 822608), (128, 514130), (160, 411304), (256, 257065), (320, 205652), (640, 102826), (1280, 51413)]