25005045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 48142080

約数和(自身を除く): 23137035

約数列:

[1, 3, 5, 13, 15, 17, 19, 39, 51, 57, 65, 85, 95, 195, 221, 247, 255, 285, 323, 397, 663, 741, 969, 1105, 1191, 1235, 1615, 1985, 3315, 3705, 4199, 4845, 5161, 5955, 6749, 7543, 12597, 15483, 20247, 20995, 22629, 25805, 33745, 37715, 62985, 77415, 87737, 98059, 101235, 113145, 128231, 263211, 294177, 384693, 438685, 490295, 641155, 1316055, 1470885, 1667003, 1923465, 5001009, 8335015, 25005045]

約数ペア:

[(1, 25005045), (3, 8335015), (5, 5001009), (13, 1923465), (15, 1667003), (17, 1470885), (19, 1316055), (39, 641155), (51, 490295), (57, 438685), (65, 384693), (85, 294177), (95, 263211), (195, 128231), (221, 113145), (247, 101235), (255, 98059), (285, 87737), (323, 77415), (397, 62985), (663, 37715), (741, 33745), (969, 25805), (1105, 22629), (1191, 20995), (1235, 20247), (1615, 15483), (1985, 12597), (3315, 7543), (3705, 6749), (4199, 5955), (4845, 5161)]