25792280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15727}}^1$

素因数の和:15779

約数の個数: 32

約数和(自身を含む): 59451840

約数和(自身を除く): 33659560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 15727, 31454, 62908, 78635, 125816, 157270, 314540, 629080, 644807, 1289614, 2579228, 3224035, 5158456, 6448070, 12896140, 25792280]

約数ペア:

[(1, 25792280), (2, 12896140), (4, 6448070), (5, 5158456), (8, 3224035), (10, 2579228), (20, 1289614), (40, 644807), (41, 629080), (82, 314540), (164, 157270), (205, 125816), (328, 78635), (410, 62908), (820, 31454), (1640, 15727)]