203851880

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{12163}}^1$

素因数の和:12593

約数の個数: 32

約数和(自身を含む): 459799200

約数和(自身を除く): 255947320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 12163, 16760, 24326, 48652, 60815, 97304, 121630, 243260, 486520, 5096297, 10192594, 20385188, 25481485, 40770376, 50962970, 101925940, 203851880]

約数ペア:

[(1, 203851880), (2, 101925940), (4, 50962970), (5, 40770376), (8, 25481485), (10, 20385188), (20, 10192594), (40, 5096297), (419, 486520), (838, 243260), (1676, 121630), (2095, 97304), (3352, 60815), (4190, 48652), (8380, 24326), (12163, 16760)]