2019012500

素因数分解:

$2^2\times 5^5\times {\mathrm{161521}}^1$

素因数の和:161550

約数の個数: 36

約数和(自身を含む): 4416334524

約数和(自身を除く): 2397322024

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 3125, 6250, 12500, 161521, 323042, 646084, 807605, 1615210, 3230420, 4038025, 8076050, 16152100, 20190125, 40380250, 80760500, 100950625, 201901250, 403802500, 504753125, 1009506250, 2019012500]

約数ペア:

[(1, 2019012500), (2, 1009506250), (4, 504753125), (5, 403802500), (10, 201901250), (20, 100950625), (25, 80760500), (50, 40380250), (100, 20190125), (125, 16152100), (250, 8076050), (500, 4038025), (625, 3230420), (1250, 1615210), (2500, 807605), (3125, 646084), (6250, 323042), (12500, 161521)]