99888640

素因数分解:

$2^9\times 5^1\times {\mathrm{39019}}^1$

素因数の和:39042

約数の個数: 40

約数和(自身を含む): 239504760

約数和(自身を除く): 139616120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 39019, 78038, 156076, 195095, 312152, 390190, 624304, 780380, 1248608, 1560760, 2497216, 3121520, 4994432, 6243040, 9988864, 12486080, 19977728, 24972160, 49944320, 99888640]

約数ペア:

[(1, 99888640), (2, 49944320), (4, 24972160), (5, 19977728), (8, 12486080), (10, 9988864), (16, 6243040), (20, 4994432), (32, 3121520), (40, 2497216), (64, 1560760), (80, 1248608), (128, 780380), (160, 624304), (256, 390190), (320, 312152), (512, 195095), (640, 156076), (1280, 78038), (2560, 39019)]