3147566960

素因数分解:

$2^4\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{19801}}^1$

素因数の和:21801

約数の個数: 40

約数和(自身を含む): 7322145936

約数和(自身を除く): 4174578976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1987, 3974, 7948, 9935, 15896, 19801, 19870, 31792, 39602, 39740, 79204, 79480, 99005, 158408, 158960, 198010, 316816, 396020, 792040, 1584080, 39344587, 78689174, 157378348, 196722935, 314756696, 393445870, 629513392, 786891740, 1573783480, 3147566960]

約数ペア:

[(1, 3147566960), (2, 1573783480), (4, 786891740), (5, 629513392), (8, 393445870), (10, 314756696), (16, 196722935), (20, 157378348), (40, 78689174), (80, 39344587), (1987, 1584080), (3974, 792040), (7948, 396020), (9935, 316816), (15896, 198010), (19801, 158960), (19870, 158408), (31792, 99005), (39602, 79480), (39740, 79204)]