25360640

素因数分解:

$2^8\times 5^1\times {\mathrm{19813}}^1$

素因数の和:19834

約数の個数: 36

約数和(自身を含む): 60749724

約数和(自身を除く): 35389084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 19813, 39626, 79252, 99065, 158504, 198130, 317008, 396260, 634016, 792520, 1268032, 1585040, 2536064, 3170080, 5072128, 6340160, 12680320, 25360640]

約数ペア:

[(1, 25360640), (2, 12680320), (4, 6340160), (5, 5072128), (8, 3170080), (10, 2536064), (16, 1585040), (20, 1268032), (32, 792520), (40, 634016), (64, 396260), (80, 317008), (128, 198130), (160, 158504), (256, 99065), (320, 79252), (640, 39626), (1280, 19813)]