82440320

素因数分解:

$2^7\times 5^1\times {\mathrm{128813}}^1$

素因数の和:128832

約数の個数: 32

約数和(自身を含む): 197085420

約数和(自身を除く): 114645100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 128813, 257626, 515252, 644065, 1030504, 1288130, 2061008, 2576260, 4122016, 5152520, 8244032, 10305040, 16488064, 20610080, 41220160, 82440320]

約数ペア:

[(1, 82440320), (2, 41220160), (4, 20610080), (5, 16488064), (8, 10305040), (10, 8244032), (16, 5152520), (20, 4122016), (32, 2576260), (40, 2061008), (64, 1288130), (80, 1030504), (128, 644065), (160, 515252), (320, 257626), (640, 128813)]