400201328

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{610063}}^1$

素因数の和:610112

約数の個数: 20

約数和(自身を含む): 794303328

約数和(自身を除く): 394102000

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 610063, 1220126, 2440252, 4880504, 9761008, 25012583, 50025166, 100050332, 200100664, 400201328]

約数ペア:

[(1, 400201328), (2, 200100664), (4, 100050332), (8, 50025166), (16, 25012583), (41, 9761008), (82, 4880504), (164, 2440252), (328, 1220126), (656, 610063)]