202418540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{128113}}^1$

素因数の和:128201

約数の個数: 24

約数和(自身を含む): 430463040

約数和(自身を除く): 228044500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 128113, 256226, 512452, 640565, 1281130, 2562260, 10120927, 20241854, 40483708, 50604635, 101209270, 202418540]

約数ペア:

[(1, 202418540), (2, 101209270), (4, 50604635), (5, 40483708), (10, 20241854), (20, 10120927), (79, 2562260), (158, 1281130), (316, 640565), (395, 512452), (790, 256226), (1580, 128113)]