72602380

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{18427}}^1$

素因数の和:18633

約数の個数: 24

約数和(自身を含む): 153247248

約数和(自身を除く): 80644868

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 18427, 36854, 73708, 92135, 184270, 368540, 3630119, 7260238, 14520476, 18150595, 36301190, 72602380]

約数ペア:

[(1, 72602380), (2, 36301190), (4, 18150595), (5, 14520476), (10, 7260238), (20, 3630119), (197, 368540), (394, 184270), (788, 92135), (985, 73708), (1970, 36854), (3940, 18427)]