2019947500

素因数分解:

$2^2\times 5^4\times {\mathrm{827}}^1\times {\mathrm{977}}^1$

素因数の和:1828

約数の個数: 60

約数和(自身を含む): 4427089128

約数和(自身を除く): 2407141628

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 827, 977, 1250, 1654, 1954, 2500, 3308, 3908, 4135, 4885, 8270, 9770, 16540, 19540, 20675, 24425, 41350, 48850, 82700, 97700, 103375, 122125, 206750, 244250, 413500, 488500, 516875, 610625, 807979, 1033750, 1221250, 1615958, 2067500, 2442500, 3231916, 4039895, 8079790, 16159580, 20199475, 40398950, 80797900, 100997375, 201994750, 403989500, 504986875, 1009973750, 2019947500]

約数ペア:

[(1, 2019947500), (2, 1009973750), (4, 504986875), (5, 403989500), (10, 201994750), (20, 100997375), (25, 80797900), (50, 40398950), (100, 20199475), (125, 16159580), (250, 8079790), (500, 4039895), (625, 3231916), (827, 2442500), (977, 2067500), (1250, 1615958), (1654, 1221250), (1954, 1033750), (2500, 807979), (3308, 610625), (3908, 516875), (4135, 488500), (4885, 413500), (8270, 244250), (9770, 206750), (16540, 122125), (19540, 103375), (20675, 97700), (24425, 82700), (41350, 48850)]