28372780

素因数分解:

$2^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{1889}}^1$

素因数の和:2649

約数の個数: 24

約数和(自身を含む): 59693760

約数和(自身を除く): 31320980

約数列:

[1, 2, 4, 5, 10, 20, 751, 1502, 1889, 3004, 3755, 3778, 7510, 7556, 9445, 15020, 18890, 37780, 1418639, 2837278, 5674556, 7093195, 14186390, 28372780]

約数ペア:

[(1, 28372780), (2, 14186390), (4, 7093195), (5, 5674556), (10, 2837278), (20, 1418639), (751, 37780), (1502, 18890), (1889, 15020), (3004, 9445), (3755, 7556), (3778, 7510)]