128604880

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{10789}}^1$

素因数の和:10951

約数の個数: 40

約数和(自身を含む): 301041000

約数和(自身を除く): 172436120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 10789, 11920, 21578, 43156, 53945, 86312, 107890, 172624, 215780, 431560, 863120, 1607561, 3215122, 6430244, 8037805, 12860488, 16075610, 25720976, 32151220, 64302440, 128604880]

約数ペア:

[(1, 128604880), (2, 64302440), (4, 32151220), (5, 25720976), (8, 16075610), (10, 12860488), (16, 8037805), (20, 6430244), (40, 3215122), (80, 1607561), (149, 863120), (298, 431560), (596, 215780), (745, 172624), (1192, 107890), (1490, 86312), (2384, 53945), (2980, 43156), (5960, 21578), (10789, 11920)]