51587380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198413}}^1$

素因数の和:198435

約数の個数: 24

約数和(自身を含む): 116667432

約数和(自身を除く): 65080052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 198413, 396826, 793652, 992065, 1984130, 2579369, 3968260, 5158738, 10317476, 12896845, 25793690, 51587380]

約数ペア:

[(1, 51587380), (2, 25793690), (4, 12896845), (5, 10317476), (10, 5158738), (13, 3968260), (20, 2579369), (26, 1984130), (52, 992065), (65, 793652), (130, 396826), (260, 198413)]