25490020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67079}}^1$

素因数の和:67107

約数の個数: 24

約数和(自身を含む): 56347200

約数和(自身を除く): 30857180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 67079, 134158, 268316, 335395, 670790, 1274501, 1341580, 2549002, 5098004, 6372505, 12745010, 25490020]

約数ペア:

[(1, 25490020), (2, 12745010), (4, 6372505), (5, 5098004), (10, 2549002), (19, 1341580), (20, 1274501), (38, 670790), (76, 335395), (95, 268316), (190, 134158), (380, 67079)]