25721780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{683}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 62052480

約数和(自身を除く): 36330700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 683, 1076, 1345, 1366, 1883, 2690, 2732, 3415, 3766, 4781, 5380, 6830, 7532, 9415, 9562, 13660, 18830, 19124, 23905, 37660, 47810, 95620, 183727, 367454, 734908, 918635, 1286089, 1837270, 2572178, 3674540, 5144356, 6430445, 12860890, 25721780]

約数ペア:

[(1, 25721780), (2, 12860890), (4, 6430445), (5, 5144356), (7, 3674540), (10, 2572178), (14, 1837270), (20, 1286089), (28, 918635), (35, 734908), (70, 367454), (140, 183727), (269, 95620), (538, 47810), (683, 37660), (1076, 23905), (1345, 19124), (1366, 18830), (1883, 13660), (2690, 9562), (2732, 9415), (3415, 7532), (3766, 6830), (4781, 5380)]