25404520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33427}}^1$

素因数の和:33457

約数の個数: 32

約数和(自身を含む): 60170400

約数和(自身を除く): 34765880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 33427, 66854, 133708, 167135, 267416, 334270, 635113, 668540, 1270226, 1337080, 2540452, 3175565, 5080904, 6351130, 12702260, 25404520]

約数ペア:

[(1, 25404520), (2, 12702260), (4, 6351130), (5, 5080904), (8, 3175565), (10, 2540452), (19, 1337080), (20, 1270226), (38, 668540), (40, 635113), (76, 334270), (95, 267416), (152, 167135), (190, 133708), (380, 66854), (760, 33427)]