12736220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3137}}^1$

素因数の和:3182

約数の個数: 48

約数和(自身を含む): 31631040

約数和(自身を除く): 18894820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 3137, 4060, 6274, 12548, 15685, 21959, 31370, 43918, 62740, 87836, 90973, 109795, 181946, 219590, 363892, 439180, 454865, 636811, 909730, 1273622, 1819460, 2547244, 3184055, 6368110, 12736220]

約数ペア:

[(1, 12736220), (2, 6368110), (4, 3184055), (5, 2547244), (7, 1819460), (10, 1273622), (14, 909730), (20, 636811), (28, 454865), (29, 439180), (35, 363892), (58, 219590), (70, 181946), (116, 109795), (140, 90973), (145, 87836), (203, 62740), (290, 43918), (406, 31370), (580, 21959), (812, 15685), (1015, 12548), (2030, 6274), (3137, 4060)]