205381040

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{32497}}^1$

素因数の和:32589

約数の個数: 40

約数和(自身を含む): 483570240

約数和(自身を除く): 278189200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 32497, 64994, 129988, 162485, 259976, 324970, 519952, 649940, 1299880, 2567263, 2599760, 5134526, 10269052, 12836315, 20538104, 25672630, 41076208, 51345260, 102690520, 205381040]

約数ペア:

[(1, 205381040), (2, 102690520), (4, 51345260), (5, 41076208), (8, 25672630), (10, 20538104), (16, 12836315), (20, 10269052), (40, 5134526), (79, 2599760), (80, 2567263), (158, 1299880), (316, 649940), (395, 519952), (632, 324970), (790, 259976), (1264, 162485), (1580, 129988), (3160, 64994), (6320, 32497)]