82661120

素因数分解:

$2^8\times 5^1\times {\mathrm{64579}}^1$

素因数の和:64600

約数の個数: 36

約数和(自身を含む): 198002280

約数和(自身を除く): 115341160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 64579, 129158, 258316, 322895, 516632, 645790, 1033264, 1291580, 2066528, 2583160, 4133056, 5166320, 8266112, 10332640, 16532224, 20665280, 41330560, 82661120]

約数ペア:

[(1, 82661120), (2, 41330560), (4, 20665280), (5, 16532224), (8, 10332640), (10, 8266112), (16, 5166320), (20, 4133056), (32, 2583160), (40, 2066528), (64, 1291580), (80, 1033264), (128, 645790), (160, 516632), (256, 322895), (320, 258316), (640, 129158), (1280, 64579)]