78838424960

素因数分解:

$2^7\times 5^1\times {\mathrm{123185039}}^1$

素因数の和:123185058

約数の個数: 32

約数和(自身を含む): 188473111200

約数和(自身を除く): 109634686240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 123185039, 246370078, 492740156, 615925195, 985480312, 1231850390, 1970960624, 2463700780, 3941921248, 4927401560, 7883842496, 9854803120, 15767684992, 19709606240, 39419212480, 78838424960]

約数ペア:

[(1, 78838424960), (2, 39419212480), (4, 19709606240), (5, 15767684992), (8, 9854803120), (10, 7883842496), (16, 4927401560), (20, 3941921248), (32, 2463700780), (40, 1970960624), (64, 1231850390), (80, 985480312), (128, 615925195), (160, 492740156), (320, 246370078), (640, 123185039)]