156777144280

素因数分解:

$2^3\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{2801593}}^1$

素因数の和:2803003

約数の個数: 32

約数和(自身を含む): 353000844000

約数和(自身を除く): 196223699720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1399, 2798, 5596, 6995, 11192, 13990, 27980, 55960, 2801593, 5603186, 11206372, 14007965, 22412744, 28015930, 56031860, 112063720, 3919428607, 7838857214, 15677714428, 19597143035, 31355428856, 39194286070, 78388572140, 156777144280]

約数ペア:

[(1, 156777144280), (2, 78388572140), (4, 39194286070), (5, 31355428856), (8, 19597143035), (10, 15677714428), (20, 7838857214), (40, 3919428607), (1399, 112063720), (2798, 56031860), (5596, 28015930), (6995, 22412744), (11192, 14007965), (13990, 11206372), (27980, 5603186), (55960, 2801593)]