78119680

素因数分解:

$2^8\times 5^1\times {\mathrm{61031}}^1$

素因数の和:61052

約数の個数: 36

約数和(自身を含む): 187124112

約数和(自身を除く): 109004432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 61031, 122062, 244124, 305155, 488248, 610310, 976496, 1220620, 1952992, 2441240, 3905984, 4882480, 7811968, 9764960, 15623936, 19529920, 39059840, 78119680]

約数ペア:

[(1, 78119680), (2, 39059840), (4, 19529920), (5, 15623936), (8, 9764960), (10, 7811968), (16, 4882480), (20, 3905984), (32, 2441240), (40, 1952992), (64, 1220620), (80, 976496), (128, 610310), (160, 488248), (256, 305155), (320, 244124), (640, 122062), (1280, 61031)]