210005560

素因数分解:

$2^3\times 5^1\times {\mathrm{761}}^1\times {\mathrm{6899}}^1$

素因数の和:7671

約数の個数: 32

約数和(自身を含む): 473202000

約数和(自身を除く): 263196440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 761, 1522, 3044, 3805, 6088, 6899, 7610, 13798, 15220, 27596, 30440, 34495, 55192, 68990, 137980, 275960, 5250139, 10500278, 21000556, 26250695, 42001112, 52501390, 105002780, 210005560]

約数ペア:

[(1, 210005560), (2, 105002780), (4, 52501390), (5, 42001112), (8, 26250695), (10, 21000556), (20, 10500278), (40, 5250139), (761, 275960), (1522, 137980), (3044, 68990), (3805, 55192), (6088, 34495), (6899, 30440), (7610, 27596), (13798, 15220)]