2560499440

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{214807}}^1$

素因数の和:214969

約数の個数: 40

約数和(自身を含む): 5993143200

約数和(自身を除く): 3432643760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 214807, 429614, 859228, 1074035, 1718456, 2148070, 3436912, 4296140, 8592280, 17184560, 32006243, 64012486, 128024972, 160031215, 256049944, 320062430, 512099888, 640124860, 1280249720, 2560499440]

約数ペア:

[(1, 2560499440), (2, 1280249720), (4, 640124860), (5, 512099888), (8, 320062430), (10, 256049944), (16, 160031215), (20, 128024972), (40, 64012486), (80, 32006243), (149, 17184560), (298, 8592280), (596, 4296140), (745, 3436912), (1192, 2148070), (1490, 1718456), (2384, 1074035), (2980, 859228), (5960, 429614), (11920, 214807)]